a. same
d. doubles
9.
7. Which of the following has the least kinetic energy?
a. An object that is nct moving
C. A car running at 2 m/s2
b. A man walking in the street
d. All of the above
8.When an object's mass doubles, its kinetico
snergy also
b. decreases
- is the ability 13 do werk.
c. quadruples
a. energy
b. motion
c. force
10.If a 2 kg ball is traveling at 4 meters per second, what is its kinetic energy?
d. friction
a. 6 J
b. 2 J
c. 8J
d. 16 J
11.A 2 kg hammer is 0.4 m up. What is its potential Energy?
a. 7.84 J
b. 0.8 J
c. 2.4 J
d. 5 J
12. The following factors determine potential energy, EXCEPT
a. mass
b. gravity
c. height
d. Force
13. The formula for calculating Kinetic Energy is
a. KE = 12 my?
b. KE = my
C. KE = 12 mv
d. KE = mv2
14.When a bat hits a baseball, which of the following is transferred from the bat to the
ball?
a. energy
b. Force
c. gravity
d. motion
15. The standard unit of the following is Joule EXCEPT:
a. Work
b. Kinetic Energy c. Potential Energy d. Force
_ 16. The following factors determine Kinetic energy, EXCEPT
a. mass
b. velocity
c. gravity
d. all of the above
17. Which of the following do not describes kinetic energy?
a. A bicyclist pedaling up a hill
C. A bowling ball sitting on the rack
b. A man walking in the street
d. A volleyball player spiking a ball
_ 18. The kinetic energy of an object depends on its mass and speed.
a. True
b. False
C. Maybe
d. None
19. What happens to the kinetic energy of an object if its speed is doubled?
a. twice as much b. thrice as much c. increases 4 times d. decreases 4 times
20. The
of the object increases when elevated from the ground to a certain
height.
d. Work
a. Potential Energy
c. Force
b. Kinetic Energy​