# College Physics 1 Midterm Exam

45 Questions | Total Attempts: 71  Settings  • 1.
He first proposed the heliocentric (sun is the center) theory of the universe.
• A.

Aristotle

• B.

Galileo

• C.

Copernicus

• D.

Plato

• 2.
He was the first to direct the telescope to the sky and also known as the father of experimental science.
• A.

Aristotle

• B.

Galileo

• C.

Copernicus

• D.

Plato

• 3.
It is the measure of how fast something is moving. It is the rate at which distance is covered, and is always measured in terms of a unit of distance divided by a unit of time.
• A.

Speed

• B.

Velocity

• C.

Acceleration

• D.

None of the choices

• 4.
It is defined as the rate of change in velocity.
• A.

Speed

• B.

Velocity

• C.

Acceleration

• D.

None of the choices

• 5.
He formulated the laws of motion.
• A.

Newton

• B.

Galileo

• C.

Aristotle

• D.

Copernicus

• 6.
This law states that every material object continues in its state of rest, or of uniform motion    in a straight line, unless it is compelled to change that state by forces impressed upon it.
• A.

Law in inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 7.
The acceleration of an object is directly proportional to the net force acting on the object,          and is inversely proportional to the mass of the object.
• A.

Law in inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 8.
Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on  the first is stated by what law?
• A.

Law in inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 9.
It means inertia in motion.
• A.

momentum

• B.

Impulse

• C.

Acceleration

• D.

velocity

• 10.
It simply means the change in momentum.
• A.

momentum

• B.

impulse

• C.

acceleration

• D.

velocity

• 11.
(Choose what law of motion can explain the following situation.)The book on top of the table is at rest due to zero net force.
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 12.
(Choose what law of motion can explain the following situation.)Pushing a cart harder can make it moves faster.
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 13.
(Choose what law of motion can explain the following situation.) Punching a wall harder also cause greater damage to your hand.
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 14.
(Choose what law of motion can explain the following situation.)Heavier truck requires greater break force to stop it.
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 15.
(Choose what law of motion can explain the following situation.)You tend to be thrown forward inside a bus if the bus suddenly stops.
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 16.
(Choose what law of motion can explain the following situation.)A car at rest can accelerate if you push it and even accelerates more if your friend will help you pushing it.
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 17.
(Choose what law of motion can explain the following situation.)A hard punching boxer has always the tendency to break his hand after the fight.
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 18.
(Choose what law of motion can explain the following situation.) It is always dangerous to have no seatbelt during fast rides.
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 19.
(Choose what law of motion can explain the following situation.) What law explains why we can walk well on a rough surface and not on the slippery one?
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 20.
(Choose what law of motion can explain the following situation.)What law explains why an object that is dropped from a moving object always follow a curve path before it lands
• A.

Law of inertia

• B.

Law of acceleration

• C.

Law of action reaction

• 21.
(Solve for the missing variable.) d = 20 m t = 5 s v = ?
• A.

4 m/s

• B.

5 m/s

• C.

0.25 m/s

• D.

2.5 m/s

• 22.
(Solve for the missing variable.) t = 10 s v = 20 m/s d = ?
• A.

20 m

• B.

200 m

• C.

0.5 m/s

• D.

5 m/s

• 23.
(Solve for the missing variable.) d = 30 m v = 15 m/s t = ?
• A.

2 s

• B.

3 s

• C.

0.5 s

• D.

2 s

• 24.
Compute the momentum (mv) of a car 200-kg car with a speed of 10 m/s.
• A.

20 kgm/s

• B.

200 kgm/s

• C.

2000 kgm/s

• D.

20 000 kgm/s

• 25.
Compute the speed of a 1000-kg truck if its momentum is 20 000 kgm/s. a.  20 m/s b.   2 m/s c.    0.2 m/s d.   0.02 m/s
• A.

20 m/s

• B.

2 m/s

• C.

0.2 m/s

• D.

0.02 m/s

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