Mechanical Principles

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Last updated 9:14 PM on 7/22/26
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6 Terms

1
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Equation for levers

EFFORT X EFFORT DISTANCE = RESISTANCE X RESITANCE DISTANCE;

resistance = weight

resistance space = distance from weight to fulcrum

effort = x

effort distance = total distance from effort to fulcrum

2
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Pulleys mechanical advantage ratio

x:1 x=# of pulleys

resistance divided by effort = MA

3
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pulleys effort equation

effort = weight (resistance) / MA

4
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Pulley Length of Pull equation

length of pull = height (lift) x MA

5
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Inclined planes and wedges equation

effort x length of incline (effort distance) = resistance x height (resistance distance)

6
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wheel and axle equations

find cricumference = pi x diameter

force x circumfrence of larger wheel = resistance x circumference of smaller wheel