The figure below shows a simple machine being used to raise a load W by applying an effort E. i)Name the machine. ii)Show that the velocity...

The figure below shows a simple machine being used to raise a load W by applying an effort E.

i)Name the machine.
ii)Show that the velocity ratio (V.R) of the machine is given by R/r
iii)Given that r =11cm and R = 99cm, determine the effort E required to raise a load of 2800N
if the efficiency of the machine is 95%.

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Kavungya answered the question on October 30, 2019 at 09:35

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