Uploaded by Errol Walters

Physics Quiz module 1

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Physics Quiz
Module 1
Name ____________________________________________ Date ____________
1. Which of the following statements about scalar and vector quantities is correct?
a. Scalars have magnitude and direction.
b. Vectors have magnitude only.
c. Scalars are represented by arrows.
d. Vectors are always positive.
2. When an object is in free fall near the surface of the Earth, its acceleration is
approximately:
a. 0 m/s²
b. 9.8 m/s²
c. 19.6 m/s²
d. 98 m/s²
3. If an object is moving with a constant velocity, what can be said about the net force
acting on it?
a. The net force is zero.
b. The net force is increasing.
c. The net force is decreasing.
d. The net force is undefined.
4. According to Newton's first law of motion, an object will remain at rest unless:
a. A net force is acting on it.
b. It is in space.
c. It is on a flat surface.
d. It is in a vacuum.
5. Which of the following is an example of kinetic friction?
a. Pushing a heavy box on a rough surface.
b. Sliding on ice.
c. The force of gravity.
d. A book sitting on a table.
6. The equation F = ma represents which of Newton's laws of motion?
a. First law
b. Second law
c. Third law
d. Law of universal gravitation
7. A car is traveling at a constant speed around a circular track. Which of the following
is true about the car's acceleration?
a. The car has zero acceleration.
b. The car has constant acceleration.
c. The car has centripetal acceleration.
d. The car has tangential acceleration.
8. Which of the following is an example of a conservative force?
a. Friction
b. Tension in a rope
c. Air resistance
d. Normal force
9. The work-energy theorem states that the work done on an object is equal to its
change in:
a. Force
b. Displacement
c. Mass
d. Time
10. If a body is moving in a circular path with constant speed, what can be said about its
acceleration?
a. It is zero.
b. It points in the same direction as velocity.
c. It points toward the center of the circle.
d. It points away from the center of the circle.
Answers:
1. b. Vectors have magnitude only.
2. b. 9.8 m/s²
3. The net force is zero.
4. A net force is acting on it.
5. Pushing a heavy box on a rough surface.
6. Second law
7. The car has centripetal acceleration.
8. Tension in a rope
9. Displacement
10. It points toward the center of the circle.
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