FORCES AND MOTION UNIT TEST Multiple Choice: Draw a Circle Completely around the ONE BEST
answer.
1. A force acting on an object does no work if
a. a machine is used to move the object. b. the force is not in the direction of the object's motion.
c. the force is greater than the force of friction. d. the object accelerates.
2. What is the speed of a bobsled whose distance time graph indicates that it traveled 100 m in 25
seconds?
a. 4 m/s
b. 0.25 mph c. 250 m/s
d. 100 m/s
3. What is the SI unit of pressure?
a. a pascal b. a newton
c. g/cm3
d. m/s2 CT
4. The operation of a hydraulic lift system is explained by
a. Newton's principle. b. Bernoulli's principle. c. Pascal's principle. d. Archimedes' principle.
The amount of matter in an object is called its
a, inertia. b. balance. c. force.
d. mass.
6. The force that one surface exerts on another when the two rub against each other is called
a. gravity. b. inertia. c. friction d. acceleration.
7. An object that travels around another object in space is called a(n)
a. satellite. b. inertia. c. projectile.
d. mass.
8. When you know both the speed and direction of an object's motion, you know the
a. average speed of the object. b. acceleration of the object. c. distance the object has traveled.
d. velocity of the object.
9. What is transferred by a force moving an object through a distance?
a. motion
b. energy
d. mass
10. The SI unit of power is the
a. joule. b. newton
C. watt.
d. newton-meter.
II. Multiple Choice: Select the letter of your choice.
1. A solar panel converts light energy into...
a. Kinetic Energy b. Heat Energy C. Electrical energy
d. Nu