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In an ideal wheel an axle system, R stand for the radius of the wheel...

Physics
JAMB 2005
In an ideal wheel an axle system, R stand for the radius of the wheel and r is the radius of the axle. the mechanical advantage is
  • A. (R/r)2
  • B. r/R
  • C. (r/R)2
  • D. R/r
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Correct Answer: Option D
Explanation
In a wheel and axle system of mechanic, the mechanical advantage is given by its ratio of the radius of the wheel R, to the radius of the axle r. that M.A = R/r

There is an explanation video available below.

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Explanation Video

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