Friday-Learning Task#5
Direction: Read the questions below and choose the letter of the correct answer.
1. A roller coaster climbing the first hill is an example of
A. building kinetic energy. B. building potential energy. C. gravitational forces. D. nuclear energy
2. Of the following units, the one that is a unit of potential energy is?
A. Newton
B. Joule
C. Meter
D. Liter
3. A stationary object may have
A. potential energy B. velocity c. kinetic energy D. acceleration
4. A 50 kilogram object is located 5 meters above the ground level. Find its potential energy.
A. The object's potential energy is 2450 J. C. The object's potential energy is 2.450 J.
B. The object's potential energy is 24.50 J. D. The object's potential energy is 245.0 J.​