Physics > Energy stores > Flashcards

Energy stores Flashcards

(7 cards)

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1
Q

Examples of energy stores…

A

Thermal, gravitational potential, elastic, magnetic, nuclear, kinetic, chemical, electrostatic

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2
Q

Ways energy can be transferred…

A

Mechanically, electrically, heating, radiation, light, sound

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3
Q

What is the unit for energy?

A

Joules (J)

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4
Q

How to work out kinetic energy formula?

A

Ek = 1/2 MV squared

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5
Q

How to work out the weight of an object?

A

mass x gravitational field strength

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6
Q

How to work out gravitational potential energy?

A

Ep = mgh

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7
Q

What is the earth’s mass?

A

9.8 N

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