Question

what is effort arm ​

Answer 1

Answer:

f you were using a lever over a fulcrum to lift a weight, the effort arm is the side of the lever you push on, and the resistance arm is the side of the lever that lifts the weight.

Explanation:

Answer 2

Answer:

A lever is a rigid bar with three parts: the fixed point around which the bar pivots is the fulcrum; the effort arm (in-lever arm) is the part of the lever to which force is applied; the resistance arm (out-lever arm) is the part that bears the load to be moved.