Formula Flashcards

1
Q

How do you find weight

A

Weight=mass x gravitational feild strength

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2
Q

How to find work done

A

Work done = force x distance

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3
Q

How to find force applied to a spring

A

Force applied to a spring = spring constant x extention

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4
Q

How to find distance travelled

A

Distance travelled = speed x time

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5
Q

How to find acceleration

A

Acceleration = change in velocity/time taken

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6
Q

How to find resultant force

A

Resultant force = mass x acceleration

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7
Q

Momentum

A

Momentum = mass x velocity

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8
Q

Kinetic energy

A

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

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9
Q

Gravitational potential energy

A

Gravitational potential energy = mass x gravitational feild x height

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10
Q

Power

A

Power = energy transferred/time

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11
Q

Power

A

Power= work done / time

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12
Q

Efficiency

A

Efficiency = useful output energy transfer/total input energy transfer

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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

Potential difference = current x resistance

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16
Q

Energy transferred

A

Energy transferred = power x time

17
Q

Energy transferred

A

Energy transferred = charge flow x potential difference