Standard Science Primary 6 Energy

A ball is released from the top of a smooth ramp. As it rolls down, what happens to its gravitational potential energy and kinetic energy?

A Potential energy increases; Kinetic energy decreases.
B Both potential and kinetic energy decrease.
C Potential energy decreases; Kinetic energy increases.
D Both potential and kinetic energy increase.
Show Worked Solution

Worked Solution

Step 1: Identify the starting point (top of the ramp). Step 2: As it rolls down, the height decreases, meaning gravitational potential energy decreases. Step 3: As it picks up speed, its kinetic energy increases. Step 4: Final Answer: Potential energy decreases; Kinetic energy increases.

Correct answer: Potential energy decreases; Kinetic energy increases.

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