Quiz On Motion: Force, Inertia, Gravity, Acceleration, Velocity, And Speed!
Below is a quiz on Motion Force, Inertia, Gravity, Acceleration, Velocity, and Speed! It is perfect for those physics students who are looking to refresh their understanding of the topics above. O you think you may need help when it comes to this docket? Take up the quiz and see how high you score and also review your notes.
Questions and Answers
- 1.
What is motion?
- A.
When an object changes position relative to a reference point.
- B.
When something is still, and not moving.
Correct Answer
A. When an object changes position relative to a reference point.Explanation
Motion is the term used to describe the change in position of an object in relation to a reference point. It occurs when an object moves from one place to another, indicating a change in its location. This can be observed when an object shifts its position with respect to a fixed point or when it moves in relation to other objects. The correct answer accurately defines motion as the change in position of an object relative to a reference point.Rate this question:
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- 2.
What is a reference point
- A.
When an object changes position
- B.
Object that stays in place
Correct Answer
B. Object that stays in placeExplanation
A reference point is an object that stays in place. It is used to determine the position or movement of other objects. By comparing the position of other objects to the reference point, we can understand how they have changed their position. This concept is commonly used in physics and navigation, where a fixed point is necessary to measure and describe the motion of other objects.Rate this question:
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- 3.
What is the definition of speed?
- A.
When an object changes position
- B.
Object that stays in place
- C.
Distance traveled by an object for a unit of time
- D.
Running very fastly
Correct Answer
C. Distance traveled by an object for a unit of timeExplanation
The definition of speed is the distance traveled by an object for a unit of time. It is a measure of how quickly an object moves from one place to another. Speed is calculated by dividing the distance traveled by the time taken to travel that distance. It is a scalar quantity, meaning it only has magnitude and no direction. Speed is an important concept in physics and is used to describe the rate at which objects move or the rate at which events occur.Rate this question:
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- 4.
What is the formula for speed?
- A.
S=dt
- B.
F=ma
- C.
D=mv
Correct Answer
A. S=dtExplanation
The formula for speed is s=dt, where s represents speed, d represents distance, and t represents time. This formula states that speed is equal to the distance traveled divided by the time taken to travel that distance.Rate this question:
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- 5.
Difference between constant and average speed?
- A.
Constant speed:same speed Average speed: total distance by total speed
- B.
Constant stays the same
- C.
Average rounds it up
Correct Answer
A. Constant speed:same speed Average speed: total distance by total speedExplanation
Constant speed refers to a situation where an object is moving at the same speed throughout its motion. This means that the object covers equal distances in equal intervals of time. On the other hand, average speed is the total distance traveled divided by the total time taken. It is calculated by considering the overall distance covered and the total time taken, which may include variations in speed. Therefore, while constant speed remains the same throughout, average speed takes into account the variations in speed and calculates the average value.Rate this question:
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- 6.
What is an example of speed?
- A.
Running
- B.
Singing
- C.
Writing
- D.
Listening
Correct Answer
A. RunningExplanation
Running is an example of speed because it involves moving quickly and covering a distance in a short amount of time. When someone runs, they exert physical effort and increase their pace, resulting in a higher speed compared to walking or any other form of movement. Running is a common activity in sports, exercise, and daily life, making it a clear example of speed.Rate this question:
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- 7.
What is the basic unit for distance or length?
- A.
Yards
- B.
Inches
- C.
Feet
- D.
Metres
Correct Answer
D. MetresExplanation
The basic unit for distance or length is meters. This is the internationally recognized unit of measurement for distance and is used in most countries around the world. It is a fundamental unit in the metric system, which is widely used for scientific and everyday measurements. Other units like yards, inches, and feet are used in some countries, particularly the United States and the United Kingdom, but the meter is the standard unit for distance in most of the world.Rate this question:
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- 8.
Velocity is speed in any direction.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Velocity is not just speed in any direction, but it also includes the direction of motion. Speed is a scalar quantity that only measures the magnitude of motion, while velocity is a vector quantity that includes both magnitude and direction. Therefore, the statement that velocity is speed in any direction is incorrect.Rate this question:
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- 9.
Velocity is like speed but in (a) _________ direction.
- A.
Any
- B.
Particular
- C.
Some
Correct Answer
A. AnyExplanation
Velocity is like speed but in any direction. Unlike speed, which only describes the magnitude of an object's motion, velocity includes both the magnitude and direction of the object's motion. Therefore, velocity can be in any direction, whether it is positive or negative, whereas speed is always positive.Rate this question:
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- 10.
Acceleration is
- A.
Increasing speed, decreasing speed, or changing direction
- B.
Speed in a particular direction
- C.
Velocity with direction
Correct Answer
A. Increasing speed, decreasing speed, or changing directionExplanation
Acceleration is the rate at which an object's velocity changes over time. It can be caused by increasing speed, decreasing speed, or changing direction. When an object's speed increases, its acceleration is positive. When its speed decreases, its acceleration is negative. Additionally, when an object changes direction, it also experiences acceleration. Therefore, acceleration encompasses all these possibilities: increasing speed, decreasing speed, or changing direction.Rate this question:
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- 11.
Formula for acceleration is
- A.
Final velocity - initial velocity
- B.
F=ma
- C.
D=mv
Correct Answer
A. Final velocity - initial velocityExplanation
The formula for acceleration is given by "final velocity - initial velocity". This means that to calculate acceleration, we subtract the initial velocity from the final velocity. This formula is used to determine how much an object's velocity changes over a certain period of time. By subtracting the initial velocity from the final velocity, we can determine the rate at which the object's velocity is changing, which is the acceleration.Rate this question:
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- 12.
The faster the motion, the steeper the
- A.
Incline
- B.
Slope
- C.
All the above
Correct Answer
C. All the aboveExplanation
The correct answer is "all the above" because when an object is in faster motion, it requires a steeper incline or slope to maintain its speed. This is because the steeper the incline, the greater the force of gravity acting on the object, which helps to counteract the object's inertia and maintain its motion. Therefore, all of the options mentioned (incline and slope) are correct and applicable in this context.Rate this question:
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- 13.
Acceleration refers to
- A.
Decreasing speed, changing direction, increasing speed
- B.
Mass
- C.
Force
Correct Answer
A. Decreasing speed, changing direction, increasing speedExplanation
Acceleration refers to the rate at which an object's velocity changes over time. It can be positive or negative depending on whether the object is speeding up or slowing down. Therefore, acceleration can refer to decreasing speed (negative acceleration), changing direction (when velocity changes but speed remains constant), and increasing speed (positive acceleration). Mass and force are not directly related to acceleration, although they can affect it indirectly.Rate this question:
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- 14.
What are possible units for acceleration?
- A.
M/s/s, and k/h/h
- B.
Meters
- C.
Feet
Correct Answer
A. M/s/s, and k/h/hExplanation
The possible units for acceleration are m/s/s (meters per second squared) and k/h/h (kilometers per hour squared). These units represent the change in velocity per unit time, with m/s/s being the standard unit in the metric system and k/h/h being a less commonly used unit. Both units measure acceleration in terms of distance and time.Rate this question:
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- 15.
A force is a push or a pull
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The given statement is true. A force can be defined as a push or a pull that acts upon an object, causing it to accelerate or deform. Forces can be exerted through direct physical contact or through fields, such as gravitational or electromagnetic forces. Therefore, the statement accurately describes the nature of a force.Rate this question:
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- 16.
If you push or pull an object, the __________ will change.
Correct Answer
accelerationExplanation
When you push or pull an object, the object's acceleration will change. Acceleration is the rate at which an object's velocity changes over time. When a force is applied to an object, it can cause the object to speed up, slow down, or change direction, resulting in a change in acceleration. Therefore, pushing or pulling an object will alter its acceleration.Rate this question:
- 17.
Balanced forces are
- A.
When the forces of an object produce a net force larger than zero.
- B.
When the forces are the same .
- C.
When the forces of an object produce a net force equal to zero.
Correct Answer
C. When the forces of an object produce a net force equal to zero.Explanation
Balanced forces occur when the forces acting on an object are equal in magnitude and opposite in direction, resulting in a net force of zero. This means that the object will remain at rest if it was initially at rest, or it will continue to move at a constant velocity if it was already in motion. The forces cancel each other out, creating a state of equilibrium.Rate this question:
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- 18.
Unbalanced forces are
- A.
When the forces of an object produce a net force larger than zero.
- B.
When the forces are the same .
- C.
When the forces of an object produce a net force equal to zero.
Correct Answer
A. When the forces of an object produce a net force larger than zero.Explanation
Unbalanced forces occur when the forces acting on an object result in a net force that is greater than zero. This means that there is an overall force acting on the object, causing it to accelerate or change its motion. When the forces are the same, they cancel each other out and result in a net force of zero, which is known as balanced forces. Therefore, the correct answer is when the forces of an object produce a net force larger than zero.Rate this question:
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- 19.
What is net force?
- A.
The combination of all the forces acting on an object.
- B.
The force of a net.
- C.
The added measure of the force in action
Correct Answer
A. The combination of all the forces acting on an object.Explanation
The net force refers to the combination of all the forces acting on an object. When multiple forces are applied to an object, they can either work together or in opposite directions. The net force is the vector sum of all these forces, taking into account their magnitudes and directions. It determines the overall effect on the object's motion, whether it will accelerate, decelerate, or remain at a constant velocity. By considering the net force, we can understand the resultant force acting on an object and predict its motion accurately.Rate this question:
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- 20.
What is Newton's third law?
- A.
Every action has an equal and opposite reaction.
- B.
An object's acceleration depends on the mass of the object and the amount of force being applied.
- C.
An object in motion stays in motion and an object at rest stays at rest until acted upon by an outside force.
Correct Answer
A. Every action has an equal and opposite reaction.Explanation
Newton's third law states that for every action, there is an equal and opposite reaction. This means that when one object exerts a force on another object, the second object exerts an equal and opposite force on the first object. This law is based on the principle of conservation of momentum, which states that the total momentum of a system remains constant unless acted upon by an external force. Newton's third law helps explain various phenomena, such as the recoil of a gun when fired or the propulsion of a rocket.Rate this question:
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- 21.
What is Newton's first law?
- A.
Every action has an equal and opposite reaction.
- B.
An object's acceleration depends on the mass of the object and the amount of force being applied.
- C.
An object in motion stays in motion and an object at rest stays at rest until acted upon by an outside force.
Correct Answer
C. An object in motion stays in motion and an object at rest stays at rest until acted upon by an outside force.Explanation
Newton's first law, also known as the law of inertia, states that an object will remain at rest or continue to move in a straight line with constant velocity unless acted upon by an external force. This means that an object in motion will stay in motion, and an object at rest will stay at rest, until an external force is applied to change its state of motion. This law describes the concept of inertia, which is the tendency of an object to resist any change in its motion.Rate this question:
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- 22.
What is Newton's second law?
- A.
Every action has an equal and opposite reaction.
- B.
An object's acceleration depends on the mass of the object and the amount of force being applied.
- C.
An object in motion stays in motion and an object at rest stays at rest until acted upon by an outside force.
Correct Answer
B. An object's acceleration depends on the mass of the object and the amount of force being applied.Explanation
Newton's second law states that an object's acceleration is directly proportional to the force applied to it and inversely proportional to its mass. This means that the greater the force applied to an object, the greater its acceleration will be. Additionally, the larger the mass of an object, the smaller its acceleration will be for a given force. Therefore, the correct answer explains that an object's acceleration depends on both the mass of the object and the amount of force being applied to it.Rate this question:
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- 23.
Friction is a __________ that opposes the ________ of two surfaces in contact with each other.
Correct Answer
force
motionExplanation
Friction is a force that opposes the motion of two surfaces in contact with each other.Rate this question:
- 24.
How can you increase/decrease friction?
- A.
Add a rough surface to increase, add lubricant to decrease.
- B.
Just add water.
- C.
Add force
- D.
Add acceleration
Correct Answer
A. Add a rough surface to increase, add lubricant to decrease.Explanation
Adding a rough surface increases friction because it creates more points of contact between the surfaces, resulting in greater resistance to motion. On the other hand, adding lubricant decreases friction because it forms a layer between the surfaces, reducing the contact and allowing smoother movement.Rate this question:
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- 25.
Three characteristics of balanced forces are
- A.
They don't change in motion they are equal in size the forces are opposite in direction
- B.
Constant acceleration, speed, and velocity
- C.
Causes change in motion they are not equal the move in the opposite direction
Correct Answer
A. They don't change in motion they are equal in size the forces are opposite in directionExplanation
Balanced forces refer to a situation where the forces acting on an object are equal in magnitude and opposite in direction, resulting in no change in the object's motion. This means that the object will continue to move at a constant velocity or remain at rest. Therefore, the given characteristics of balanced forces, which include not changing in motion, being equal in size, and being opposite in direction, accurately describe the behavior of balanced forces.Rate this question:
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- 26.
When the only force acting on an object is gravity, ____________ is occuring.
Correct Answer
free fallExplanation
When the only force acting on an object is gravity, the object is said to be in free fall. In free fall, the object is accelerating downwards due to the force of gravity alone, without any other forces counteracting it. This means that the object is not experiencing any air resistance or other external forces that could affect its motion. Free fall is commonly observed when objects are dropped from a height and fall towards the ground.Rate this question:
- 27.
Gravity is the force of attraction between all masses.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Gravity is indeed the force of attraction that exists between all masses. This force is responsible for keeping objects, such as planets and moons, in orbit around larger celestial bodies like stars. It is also the force that causes objects to fall towards the Earth when they are dropped. The concept of gravity was famously described by Sir Isaac Newton in his law of universal gravitation. This law states that every object in the universe attracts every other object with a force that is directly proportional to their masses and inversely proportional to the square of the distance between them.Rate this question:
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- 28.
The Law of Universal Gravitation describes how _______, ________, and _________ relate to each other.
Correct Answer
force
mass
distanceExplanation
The Law of Universal Gravitation explains the relationship between force, mass, and distance. According to this law, the force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. In other words, as the mass of either object increases, the force of gravity between them increases. Similarly, as the distance between the objects decreases, the force of gravity between them increases. This law helps us understand how gravity operates and influences the motion of celestial bodies.Rate this question:
- 29.
The force of gravity depends on two components:
- A.
Speed and direction
- B.
Velocity and acceleration
- C.
Motion and force
- D.
Motion
Correct Answer
A. Speed and directionExplanation
The force of gravity depends on speed and direction because gravity is a force that pulls objects towards each other. The speed of an object determines how quickly it is moving, while the direction indicates the path it is taking. In the case of gravity, the force exerted on an object depends on how fast it is moving and in what direction it is moving. For example, if an object is moving faster, it will experience a greater gravitational force. Similarly, if an object changes its direction, the force of gravity will act in a different direction as well.Rate this question:
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- 30.
Inertia is a property of matter.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Inertia is not a property of matter. It is a property of objects that describes their resistance to changes in motion. Inertia depends on the mass of an object, not on its composition or any other properties of matter. Therefore, the statement that inertia is a property of matter is false.Rate this question:
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- 31.
Inertia is an objetc's ability to resist force.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Inertia refers to an object's resistance to changes in its state of motion. It is the tendency of an object to stay at rest or in uniform motion unless acted upon by an external force. This ability to resist force is what defines inertia. Therefore, the statement "Inertia is an object's ability to resist force" is correct.Rate this question:
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- 32.
Lighter mass-less inertia Heavier mass-more inertia
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because according to Newton's first law of motion, an object with a lighter mass will have less inertia, meaning it will be easier to accelerate or change its state of motion. On the other hand, an object with a heavier mass will have more inertia, making it more resistant to changes in its state of motion.Rate this question:
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