Gravitational Potential Energy (OCR GCSE Physics A (Gateway Science Suite)): Quizzes

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Gravitational Potential Energy
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What is gravitational potential energy?

Energy stored due to position above earth

What force causes gravitational potential energy?

Gravity

What is the formula for gravitational potential energy?

Ep=m×g×hE_p = m \times g \times h

What is the unit for gravitational potential energy?

J

What is the unit for gravitational field strength gg?

N/kg

Calculate EpE_p for a 2 kg object lifted 3 m (use g=9.8g = 9.8 N/kg).

58.8 J

What symbol represents height in the formula and what is its unit?

hh measured in m

What happens when an object is lifted?

It gains gravitational potential energy

What happens to gravitational potential energy when an object falls?

Converts to kinetic energy

What happens to an object's speed as it descends?

Increases

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