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Physics Equations > Equations > Flashcards

Equations Flashcards

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1
Q

Weight

A

Weight=mass x gravitional field strength

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2
Q

Work done

A

Work done= force x distance

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3
Q

Force applied to a spring

A

Force applied to a spring= spring constantx extension

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4
Q

Distance travelled

A

Distance travelled = speed x time

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5
Q

Acceleration

A

Acceleration = change in velocity/ time taken

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6
Q

Momentum

A

Momentum= mass x velocity

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7
Q

Kinetic energy

A

Kinetic energy= 0.5 x mass x speed (squared)

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8
Q

Gravitational potential energy

A

Gravitational potential energy = massx gravitational field strengthx height

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9
Q

Power( energy transferred)

A

Power = energy transferred / time

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10
Q

Power(work done)

A

Power = work done/time

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11
Q

Efficiency(energy transferred )

A

Efficiency = useful output energy transfer/ total input energy transfer

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12
Q

Efficiency(power)

A

Efficiency= useful power output/ total power input

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13
Q

Wave speed

A

Wave speed= frequency x wavelength

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14
Q

Charge flow

A

Charge flow = current x time

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15
Q

Potential difference

A

Current x resistance

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16
Q

Power(potential difference)

A

Potential difference x current

17
Q

Power(current)

A

Current squared x resistance

18
Q

Energy transferred ( power)

A

Power x time

19
Q

Energy transferred( charge flow)

A

Charge flow x potential difference

20
Q

Density

A

Mass/ volume

Physics Equations (1 decks)

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