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Physics > Equations > Flashcards

Equations Flashcards

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1
Q

Give the equation for kinetic energy

A

0.5 x mass x speed(squared)

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2
Q

Give the equation for gravitational potential energy

A

Mass x gravitational field strength x height

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3
Q

Give the equation for efficiency

A

Useful power or energy output/ total power or energy input

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4
Q

Give the equation for charge flow

A

Current x time

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5
Q

Give the equation for potential difference

A

Current x resistance

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6
Q

Give the equation for total resistance

A

Resistance of component 1 + resistance of component 2

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7
Q

Give all three equations for power

A

Current x potential difference
Current (squared) x resistance
Work done or energy transferred/time taken

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8
Q

Give both equations for energy transferred

A

Power x time
Charge flow x potential difference

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9
Q

Give the equation for density

A

Mass/ volume

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10
Q

Give the equation for wave speed

A

Frequency x wave length

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11
Q

Give the equation for weight

A

Mass x gravitational field strength

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12
Q

Give the equation for work done

A

Force x distance

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13
Q

Give the equation for force

A

Spring constant x extension

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14
Q

Give the equation for the moment of a force

A

Force x distance ( perpendicular to the direction of the force)

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15
Q

Give the equation for pressure

A

Force normal to a surface / area of that surface

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16
Q

Give the equation for distance travelled

A

Speed x time

17
Q

Give both equations for acceleration

A

Change in velocity/ time taken

Final velocity - initial velocity/ time taken

18
Q

Give the equation for resultant force

A

Mass x acceleration

19
Q

Give the equation for momentum

A

Mass x velocity

Physics (2 decks)

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