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Physics > Formulae > Flashcards

Formulae Flashcards

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1
Q

What is the formula for force

A

F= MA (force= mass x acceleration)

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2
Q

What is the formula for work done

A

W= F x D (work done= force x distance moved by force)

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3
Q

What is the formula for average speed

A

V= D/T (velocity=distance/time)

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4
Q

What is the formula for weight

A

W=MG (weight= mass x gravitational field strength)

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5
Q

What is the formula for momentum

A

P=MV (momentum= mass x velocity)

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6
Q

What is the formula for orbital speed

A

V= 2 x pi x r/t (2 x pi x orbital radius/time)

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7
Q

What is the formula for moment

A

Moment=FD (moment= force x perpendicular distance between force and pivot)

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8
Q

What is the formula for power

A

P=W/T (power = work done/time)

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9
Q

What is the formula for change in gravitational potential energy

A

GPE= mgh (Gravitational potential energy= weight x change in height)

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10
Q

What is the formula for kinetic energy

A

KE=1/2 x mv squared (Kinetic energy= mass x velocity squared)

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11
Q

What is the formula for efficiency

A

Efficiency= useful energy transferred/ total energy supplied

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12
Q

What is the formula for charge

A

Q=IT (Charge= current x time)

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13
Q

What is the formula for voltage

A

V=IR (voltage= current x resistance)

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14
Q

What is the formula for power

A

P=VI (power= volts x current)

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15
Q

What is the formula for electrical energy

A

E=I x T x V (electrical energy= current x time x voltage)

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16
Q

What is the formula for wave velocity

A

Wave velocity= frequency x wavelength

17
Q

What is the formula for frequency

A

Hz=1/t (frequency=1/time)

18
Q

What is the formula for density

A

P=m/v (density= mass/volume)

19
Q

What is the formula for pressure

A

P=F/A (pressure=force/ area)

20
Q

What is the formula for pressure in a liquid

A

P= p x h x g (pressure in a liquid= density of liquid x height of liquid x gravity)

Physics (2 decks)

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