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Standard X
Physics
Relation Between MA and VR
The radius of...
Question
The radius of the wheel of a wheel and axle is 4 times the radius of a axle. What is the machanical advantage of the wheel and axle?
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Solution
Solution
:
The mechanical advantage of a wheel and axle is defined by:
M.A. = radius of the wheel divided by the radius of the axle.
let x = the radius of the axle, then 4x = the radius of the wheel.
From the definition above:
M.A.=
4
x
x
So M.A. = 4
Hence 4 is the correct option
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