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Force & Motion Quiz

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Physicists call speed with direction:
 a. distance. b. displacement. c. velocity. d. acceleration.

2.

The “steepness” of a line on a graph, the ratio of the rise to the run, is called the:
 a. origin. b. slope. c. axis. d. position.

3.

The rate at which velocity changes is called:
 a. speed. b. displacement. c. acceleration. d. position.

4.

A racecar rounds a curve on the track at a constant speed of 180 mph. While maintaining a constant speed, the car is actually accelerating because a change is taking place in the:
 a. distance. b. time. c. direction. d. mass.

5.

A rock is dropped from a cliff. After falling for 4 seconds, its speed will be approximately:
 a. 10 m/s b. 20 m/s c. 30 m/s d. 40 m/s

6.

The force of gravity on an object is called:
 a. mass. b. inertia. c. weight. d. volume.

7.

A unit of measurement used to indicate force is the:
 a. newton. b. gram. c. meter. d. scalar.

8.

Jane’s weight on the Moon would be less than her weight on Earth because:
 a. she has less mass on the Moon than on Earth. b. there is no atmosphere on the Moon. c. the Moon has less mass than Earth. d. the radius of the Moon is greater than the radius of Earth.

9.

Frank’s mass has been measured as 60 kilograms. On the Moon, his mass would be:
 a. 10 kg b. 60 kg c. 100 kg d. 600 kg

10.

A force that always tends to slow the motion of an object on a surface is:
 a. mass. b. weight. c. friction. d. inertia.