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Physics equations > Word equations > Flashcards

Word equations Flashcards

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1
Q

What is the equation for weight?

A

weight = mass x gravitational field strength

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2
Q

What is the equation for work done?

A

work done = force x distance

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3
Q

What is the equation for the force applied to a string?

A

force applied to a string = spring constant x extension

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4
Q

What is the equation for the moment of a force?

A

moment of a force = force x distance

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5
Q

What is the equation for pressure?

A

pressure = force normal to surface / area of that surface

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6
Q

What is the equation for distance travelled?

A

distance travelled = speed x time

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7
Q

What is the equation for acceleration?

A

acceleration = change in velocity / time taken

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8
Q

What is the equation for resultant force?

A

resultant force = mass x acceleration

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9
Q

What is the equation for momentum?

A

momentum = mass x velocity

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10
Q

What is the equation for kinetic energy?

A

kinetic energy = 0.5 x mass x (speed)^2

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11
Q

What is the equation for gravitational potential energy?

A

gravitational potential energy = mass x gravitational field strength x height

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12
Q

What is the equation for power using energy transferred?

A

power = energy transferred / time

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13
Q

What is the equation for power using work done?

A

power = work done / time

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14
Q

What is the equation for efficiency using energy transfer?

A

efficiency = useful energy output transfer / total energy input transfer

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15
Q

What is the equation for efficiency using power?

A

efficiency = useful power output / total power input

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16
Q

What is the equation for wave speed?

A

wave speed = frequency x wavelength

17
Q

What is the equation for charge flow?

A

charge flow = current x time

18
Q

What is the equation for potential difference?

A

potential difference = current x resistance

19
Q

What is the equation for power using potential difference?

A

power = potential difference x current

20
Q

What is the equation for power using resistance?

A

power = (current)^2 x resistance

21
Q

What is the equation for energy transferred using power?

A

energy transferred = power x time

22
Q

What is the equation for energy transferred using potential difference?

A

energy transferred = charge flow x potential difference

23
Q

What is the equation for density?

A

density = mass / volume

Physics equations (1 decks)

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