# Force, Friction, Newton's Laws

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• 1.

### The type of force that includes charged particles and particles that attract and repel each other.

• A.

Nuclear force

• B.

Frictional force

• C.

Gravitational force

• D.

Electromagnetic force

D. Electromagnetic force
Explanation
The correct answer is electromagnetic force. This force includes charged particles and particles that attract and repel each other. The electromagnetic force is responsible for interactions between electrically charged particles, such as the attraction between protons and electrons in an atom, as well as the repulsion between like charges. It also includes interactions between magnetic fields and electric currents. Overall, the electromagnetic force is a fundamental force that plays a crucial role in many phenomena in the universe, including chemical reactions, electricity, and magnetism.

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• 2.

### The picture above is example of which kind of friction ______________________.

• A.

Fluid friction

• B.

Rolling friction

• C.

Sliding friction

• D.

Static friction

C. Sliding friction
Explanation
The picture above shows an object sliding on a surface. Sliding friction is the resistance encountered when two surfaces slide against each other. In this case, the object is experiencing sliding friction as it moves across the surface.

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• 3.

### Which type of friction is the above picture an example of?

• A.

Fluid friction

• B.

Static friction

• C.

Rolling friction

• D.

Sliding friciton

B. Static friction
Explanation
The above picture is an example of static friction because it shows an object at rest on a surface. Static friction occurs when there is no relative motion between two surfaces in contact. In this case, the object is not moving or sliding, indicating that static friction is at play to keep it in place.

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• 4.

### What is the net force placed on the object above?

• A.

10 N

• B.

5 N

• C.

0

C. 0
Explanation
The net force placed on the object above is 0. This means that the forces acting on the object are balanced, resulting in no overall force. In other words, the forces pushing or pulling the object in different directions cancel each other out, resulting in a net force of zero. Therefore, the object will remain at rest or continue moving at a constant velocity.

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• 5.

### This is an example of what type of force___________________.

• A.

Balanced force

• B.

Unbalanced force

A. Balanced force
Explanation
This question is asking for the type of force being described. The correct answer is "balanced force." A balanced force is a type of force where the net force acting on an object is zero. This means that the forces acting in opposite directions are equal in magnitude and cancel each other out, resulting in no change in the object's motion. In this case, the question is implying that the forces acting on the object are balanced, indicating that there is no overall change in its motion.

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• 6.

### This is an example of what type of force?

• A.

Balanced force

• B.

Unbalanced force

B. Unbalanced force
Explanation
An unbalanced force refers to a force that causes a change in an object's motion. In this case, since the question is asking about the type of force, the correct answer would be unbalanced force. This suggests that there is an external force acting on the object that is causing it to accelerate or change its direction. A balanced force, on the other hand, refers to forces that are equal in magnitude and opposite in direction, resulting in no change in an object's motion.

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• 7.

### What is the net force on the object?

• A.

8 N

• B.

2 N

• C.

2 M

• D.

8 M

B. 2 N
Explanation
The net force on the object is 2 N. This means that the total force acting on the object is 2 N, taking into account all the individual forces acting on it.

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• 8.

### A newton is

• A.

A metric unit used to measure distance

• B.

A metric unit used to measure acceleration

• C.

A metric unit used to measure force

C. A metric unit used to measure force
Explanation
A newton is a metric unit used to measure force. Force is a physical quantity that can cause an object to accelerate or deform. The newton is defined as the amount of force required to accelerate a one-kilogram mass by one meter per second squared. Therefore, the correct answer is that a newton is a metric unit used to measure force.

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• 9.

### Force that opposes motion between two surfaces

• A.

Newton

• B.

Friction

• C.

Inertia

• D.

Gravity

B. Friction
Explanation
Friction is the force that opposes motion between two surfaces. When two objects are in contact and one tries to move relative to the other, friction acts in the opposite direction to resist the motion. It is caused by the roughness of the surfaces and the interlocking of their microscopic irregularities. Friction is present in various everyday situations, such as walking, driving a car, or sliding objects on a table. It can be both helpful, like when it allows us to grip objects, and detrimental, like when it hinders the efficiency of machines.

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• 10.

### Resisting changes in your state of motion

• A.

Force

• B.

Inertia

• C.

Friction

• D.

Mass

B. Inertia
Explanation
Inertia is the correct answer because it refers to the property of an object to resist changes in its state of motion. It is a measure of an object's mass and determines how difficult it is to change its velocity. Inertia is responsible for the tendency of objects to stay at rest or in motion unless acted upon by an external force. This property is observed in everyday situations, such as when a moving car suddenly stops and passengers continue to move forward due to their inertia.

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• 11.

### Amount of matter the object contains

• A.

Weight

• B.

Force

• C.

Mass

• D.

Gravity

C. Mass
Explanation
Mass is the correct answer because it refers to the amount of matter an object contains. Weight is the force exerted on an object due to gravity, while force is a push or pull on an object. Gravity is the force that attracts objects towards each other. Therefore, mass is the most appropriate term to describe the amount of matter in an object.

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• 12.

### A push or pull that one object exerts on another

• A.

Friction

• B.

Gravity

• C.

Force

• D.

Inertia

C. Force
Explanation
Force is the correct answer because it refers to a push or pull that one object exerts on another. Force is a fundamental concept in physics and is responsible for causing changes in the motion or shape of an object. It can be a contact force, such as friction, or a non-contact force, such as gravity. In this context, force encompasses all types of interactions between objects that involve a push or pull.

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• 13.

### Measure of force of gravity acting on an object

• A.

Weight

• B.

Mass

• C.

Inertia

• D.

Momentum

A. Weight
Explanation
Weight is the measure of the force of gravity acting on an object. It is a measure of how heavy an object is and is dependent on the mass of the object as well as the acceleration due to gravity. Weight is commonly measured in units such as pounds or kilograms.

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• 14.

### Is a product of an objects mass times its’ velocity (speed)

• A.

Acceleration

• B.

Gravity

• C.

Momentum

• D.

Inertia

C. Momentum
Explanation
Momentum is defined as the product of an object's mass and its velocity. It is a measure of how difficult it is to stop or change the motion of an object. The greater the mass or velocity of an object, the greater its momentum. Therefore, momentum is the correct answer because it directly relates to the product of mass and velocity.

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• 15.

### Force of attraction between any two objects in the universe

• A.

Force

• B.

Friction

• C.

Gravity

• D.

Newton

C. Gravity
Explanation
Gravity is the force of attraction between any two objects in the universe. It is responsible for keeping planets in orbit around the sun, objects on Earth's surface, and even the formation of galaxies. Gravity is a fundamental force that acts over long distances and is proportional to the mass of the objects involved. It is described by Isaac Newton's law of universal gravitation, which states that the force of gravity is directly proportional to the product of the masses of the objects and inversely proportional to the square of the distance between them.

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• 16.

### What tool is used to measure force?

• A.

Scale

• B.

Spring scale

• C.

Triple beam balance scale

• D.

Digital scale

B. Spring scale
Explanation
A spring scale is used to measure force. It consists of a coiled spring that stretches or compresses when a force is applied to it. The amount of stretch or compression is directly proportional to the force being applied. By reading the scale on the spring scale, the magnitude of the force can be determined. This tool is commonly used in physics experiments, engineering, and everyday applications where force measurement is required.

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• 17.

### The change of motion of an object depends on the size of the force and the mass of the object

• A.

Newton’s Law of Universal Gravitation

• B.

Momentum Law (Third Law)

• C.

Law of Inertia (First Law)

• D.

Acceleration Law (Second Law) Acceleration Law (Second Law) Acceleration Law (Second Law)

D. Acceleration Law (Second Law) Acceleration Law (Second Law) Acceleration Law (Second Law)
Explanation
The given statement states that the change of motion of an object depends on the size of the force and the mass of the object. This statement aligns with Newton's Second Law of Motion, which states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Therefore, the correct answer is the Acceleration Law (Second Law).

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• 18.

### States that every object in the universe attracts every other object in the universe

• A.

Newton’s Law of Universal Gravitation

• B.

Momentum Law (Third Law)

• C.

Law of Inertia (First Law)

• D.

Acceleration Law (Second Law) Acceleration Law (Second Law)

A. Newton’s Law of Universal Gravitation
Explanation
This answer is correct because Newton's Law of Universal Gravitation states that every object in the universe attracts every other object in the universe. This law explains the force of gravity and how it affects objects and their motion in the universe. It is one of the fundamental laws of physics discovered by Sir Isaac Newton.

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• 19.

### An object at rest tends to stay at rest and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon

• A.

Newton’s Law of Universal Gravitation

• B.

Momentum Law (Third Law)

• C.

Law of Inertia (First Law)

• D.

Acceleration Law (Second Law) Acceleration Law (Second Law)

C. Law of Inertia (First Law)
Explanation
The given statement describes Newton's First Law of Motion, also known as the Law of Inertia. This law states that an object at rest will remain at rest, and an object in motion will continue to move with a constant speed and direction, unless acted upon by an external force. This law is also referred to as the Law of Inertia because it explains how objects resist changes in their state of motion. The other options, such as Newton's Law of Universal Gravitation, Momentum Law (Third Law), and Acceleration Law (Second Law), do not accurately describe the concept mentioned in the statement.

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• 20.

### For every action, there is an equal and opposite reaction.”

• A.

Newton’s Law of Universal Gravitation

• B.

Momentum Law (Third Law)

• C.

Law of Inertia (First Law)

• D.

Acceleration Law (Second Law) Acceleration Law (Second Law) Acceleration Law (Second Law) Acceleration Law (Second Law)

B. Momentum Law (Third Law)
Explanation
Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction. This means that when an object exerts a force on another object, the second object exerts a force of equal magnitude but in the opposite direction on the first object. This is often referred to as the law of momentum, as the forces involved cause changes in momentum. The other laws mentioned in the question, such as the Law of Universal Gravitation, Law of Inertia, and Acceleration Law, do not directly relate to the concept of equal and opposite reactions.

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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Feb 14, 2013
Quiz Created by
Blare

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