Forces: Formulas

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weight

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12 Terms

1

weight

mass × gravitational field strength

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2

work done

force × distance (moved along the line of action of the force)

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3

force (spring constant)

spring constant × extension

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4

moment of force

force × distance (perpendicular to the direction of the force)

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5

pressure in solids

force normal to a surface ÷ area of that surface

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6

distance travelled

speed × time

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7

acceleration

change in velocity ÷ time taken

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8

resultant force

mass × acceleration

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9

momentum

mass × velocity

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10

pressure in fluids

height of column × density of liquid × G.F.S

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11

(final velocity)2 - (initial velocity)2

2 × acceleration × distance

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12

force (change in momentum)

change in momentum ÷ time taken

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