Standard Science Primary 6 Energy

A ball is rolling down a slope. At which point does the ball have the MOST kinetic energy?

A Halfway down the slope
B At the very top of the slope
C Kinetic energy is the same at all points
D At the bottom of the slope just before stopping
Show Worked Solution

Worked Solution

Step 1: As the ball rolls down, Gravitational Potential Energy (GPE) is converted into Kinetic Energy (KE). Step 2: At the lowest point, the most GPE has been converted to KE. Step 3: Therefore, the ball has the most KE at the bottom.

Correct answer: At the bottom of the slope just before stopping

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