Question

A wheel and axle has M.A of 10 and VR of 20.Calculate the efficiency of the wheel and axle.

Answer 1

We know that :

efficiency = MA / VR * 100

==> E = 10 / 20 *100%

==> E = 1/ 2 * 100 %

==> E = 50 %

The efficiency is 50 %

Hope it helps