HOTS Science Primary 6 Energy

An electric toy car travels up a wooden ramp and then down a plastic ramp. At which point is the car's gravitational potential energy the HIGHEST?

A At the start of the wooden ramp
B At the top of the ramp
C At the end of the plastic ramp
D Halfway down the plastic ramp
Show Worked Solution

Worked Solution

Step 1: Gravitational Potential Energy (GPE) depends on the height of the object. Step [2-9]: The highest point the car reaches is the top of the ramp. Step [2-9]: Therefore, GPE is at its maximum at the top.

Correct answer: At the top of the ramp

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