what is meant by saying that a machine is a force multiplier

Asked by pushpendrasinghparihar22 | 13th Aug, 2020, 05:37: PM

Expert Answer:

A machine having the mechanical advantage greater than one works as a force multiplier. 

M e c h a n i c a l space A d v a n t a g e space equals space fraction numerator L o a d space left parenthesis L right parenthesis over denominator E f f o r t left parenthesis E right parenthesis end fraction 
When effort arm is greater than load arm then mechanical advantage and velocity ratio is greater than 1. Such Class 1 levers as used as force multipliers.
Example:-  Wheel barrow, hammer etc. 

Answered by Shiwani Sawant | 14th Aug, 2020, 12:08: PM