10. If you increase the speed of the object, what quantity wil increase?
A. Kinetic energy
B. Nurclear energy
C. Elastic potential energy
D. Gravitational potential energy
11. If you double the mass of a car that is at rest along the horizontal plane, what will happen to its kinetic energy?
A. It is zero
B. It is halved
C. It is doubled
D. It increased four times
12. If you double the velocity of a moving bike, what will happen to its kinetic energy?
A. It is zero
B. It is halved
C.It is doubled
D. It increased four times
13. Which factor would cause the potential energy of a student walking on the ground to become zero?
A. Its mass since it is constant
B. Its velocity since it is always changing
C. The gravitation since it is constantly fluctuating
D. Its elevation (height) since it is leveled on the ground
14. How much potential energy is gained by a 2-kg book when it is raised 1.5 m above the table?
A. 3 J
B. 3.5 J
C. 2.94 J
D. 29.4 J
15. A 5-kg body moves with a speed of 7 m/s. What is its kinetic energy?
A. 12 J
B. 35 J
C. 122.5 J
D. 343.0 J​