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Physics - formulae equations > Equations > Flashcards

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

along the line of action of the force

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3
Q

what is the equation for the

force applied to a spring?

A

force applied to a spring = spring constant x extension

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4
Q

what is the equation for

distance travelled?

A

distance travelled = speed x time

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5
Q

what is the equation for

acceleration?

A

acceleration = change in velocity
————————
time taken

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6
Q

what is the equation for the

resultant force?

A

resultant force = mass x acceleration

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7
Q

what is the equation for

momentum?

A

momentum = mass x velocity

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8
Q

what is the equation for

kinetic energy?

A

kinetic energy = 0.5 x mass x (velocity)*2

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9
Q

what is the equation for

gravitation potential energy?

A

GPE = mass x gravitational field strength x height

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10
Q

what is the equation for

power? (in terms of energy transferred)

A

power = energy transferred
—————————-
time

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11
Q

what is the equation for

power? (in terms of work done)

A

power = work done
—————
time

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12
Q

what is the equation for efficiency (energy)

A

efficiency = useful output energy transfer

total input energy transfer

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13
Q

what is the equation for efficiency? (power)

A

efficiency = useful power output

total power input

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14
Q

what is the equation for wave speed?

A

wave speed = frequency x wave length

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15
Q

what is the equation for charge flow?

A

charge flow = current x time

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16
Q

what is the equation for potential difference?

A

potential difference = current x resistance

17
Q

what is the equation for power? (potential difference)

A

power = potential difference x current

18
Q

what is the equation for power? (current*2)

A

power = (current)*2 x resistance

19
Q

what is the equation for energy transferred? (power)

A

energy transferred = power x time

20
Q

what is the equation for energy transferred? (charge flow)

A

energy transferred = charge flow x potential difference

21
Q

what is the equation for density?

A

density = mass

volume

Physics - formulae equations (1 decks)

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