9: Equations Flashcards

1
Q

Power (Energy)

A

Power = Energy / time

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2
Q

Power (Force)

A

Power = Force * Velocity

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3
Q

4th equation for suvat not given

A

s = (u+v / 2) * t

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4
Q

how to calculate speed if given time

A

speed = distance / time

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5
Q

how to find force for rate of change of momentum

A

F = Δp / Δt

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6
Q

how to calculate final kinetic energy

A

final kinetic energy = original kinetic energy + change in gravitational potential energy

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7
Q

relationship between work done, force and distance acting in a line

A

work done = force * distance

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8
Q

relationship between work done, force and distance acting at an angle

A

work done = force * distance * cos theta

F s cos(theta)

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