A crowbar of length 0.75 m is used to dispace a body. Find its mechanical advantage, if the load arm is 0.25 m.

A crowbar of length 0.75 m is used to dispace a body. Find its mechani

1.	A crowbar of length 0.75 m is used to dispace a body. Find its mechanical advantage, if the load arm is 0.25 m.
Answer» SOLUTION : `MA=("EFFORT ARM")/("LOAD arm")` `=(0.75)/(0.25)` =3 MA=3