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5/20 = 1/4 or 0.25

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Q: What is the mechanical advantage of an inclined plane that is 5 m high and 20 m long?
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What is the theoretical mechanical advantage of a 5 m long inclined plane that has the high end 1 m above the ground?

1/5 = 0.2


Is mechanical advantage the number of times the input force is multiplied by a machine?

it really depends on the machine you are talking about. there are 6 simple machines: the lever, wheel and axle, pulley, inclined plane, wedge, and the screw. Lever = (distance from fulcrum to effort) divided by (distance from fulcrum to resistance) Wheel and Axle = (diameter of the wheel) divided by (diameter of the axle) Pulleys = the # of pulleys used Inclined Plane and Wedge = (length of slope) divided by (height) Screw = (circumference) divided by (pitch) Hope this helped :)


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