PLEASE HELP! The radius of the wheel of a wheel and axle is 4 times the radius of the axle. What is the mechanical advantage of the wheel and axle?

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asked Jun 8, 2019 233k views

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George Poliovei · Answer 1 · 2019-06-12T19:15:53+0000

The mechanical advantage of a wheel and axle is defined by:
M.A. = radius of the wheel divided by the radius of the axle.

If we let x = the radius of the axle, then 4x = the radius of the wheel.

From the definition above:

M. A. = (4x)/(x)

So M.A. = 4

PLEASE HELP! The radius of the wheel of a wheel and axle is 4 times the radius of the axle. What is the mechanical advantage of the wheel and axle?

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