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

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Gravitational Potential Energy
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Gravitational potential energy definition

Energy stored in object due to position above Earth's surface

Force causing gravitational potential energy

Gravity

Formula for gravitational potential energy

Ep=m×g×hE_p = m \times g \times h

Symbol EpE_p in GPE formula

Gravitational potential energy (J)

Unit of EpE_p

Joules (J)

Symbol mm in Ep=m×g×hE_p = m \times g \times h

Mass

Symbol gg in Ep=m×g×hE_p = m \times g \times h

Gravitational field strength

Symbol hh in Ep=m×g×hE_p = m \times g \times h

Height

Unit of mass mm in GPE formula

Kilograms (kg)

Unit of gravitational field strength gg

N/kg

Unit of height hh in GPE formula

Metres (m)

Value of gg used in calculations

9.89.8 N/kg

What happens to GPE when object falls

Converted to kinetic energy

What happens to GPE when object is lifted

Gains gravitational potential energy

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