Standard Science Primary 6 Energy

A ball is released from the top of a ramp. As the ball rolls down the ramp, what happens to its energy?

A Kinetic energy increases, Potential energy decreases
B Kinetic energy decreases, Potential energy increases
C Both Kinetic and Potential energy increase
D Both Kinetic and Potential energy decrease
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Worked Solution

Step 1: At the top, the ball has maximum Gravitational Potential Energy (GPE). Step 2: As it rolls down, height decreases (decreasing GPE) and speed increases (increasing Kinetic Energy). Step 3: Potential energy is converted into kinetic energy.

Correct answer: Kinetic energy increases, Potential energy decreases

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