Motion And Forces Flashcards by Cat Ayley | Brainscape

Q

How do you find momentum?

A

Mass x velocity

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Q

How to find kinetic energy

A

1/2 x mass x velocity^2

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Q

How to find weight?

A

Mass x gravity

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Q

How to find force in newtons?

A

Mass x acceleration

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Q

How to find gravitational potential energy?

A

Mass x gravity x height

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Q

How to find efficiency?

A

Useful energy out / total energy

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Q

How to find force?

A

Final momentum - initial velocity
Time

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Q

How to find speed?

A

Distance divided by time

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Q

How to find distance travelled?

A

Average speed x time

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Q

How to find acceleration?

A

Change in velocity divided by time taken

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Q

What is the gravity of earth?

A

10

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