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Me > Moments > Flashcards

Moments Flashcards

1
Q

moment

A

Moment = force x distance to pivot

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2
Q

Moments in balance

A

Clockwise movement = anti-clockwise movement / force1 x distance1 = force2 x distance2

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3
Q

Efficiency

A

Efficiency = (useful energy/power output ÷ power/energy supplied) x100

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4
Q

GPE (gravitational potential energy)

A

mass x gravity x height

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5
Q

KE (kinetic energy)

A

1/2mv²

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6
Q

pressure

A

force/area

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7
Q

Pressure in Hydraulic Systems

A

F1/a1=f2/a2

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8
Q

Pressure of liquid column

A

Pressure = density(kg/m3) x gravity x depth

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9
Q

Work done/ power

A

Work done Watts (force N x distance m) = energy Joules/ time s

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