Question

The force applied on a simple machine to do work is called (effort/ load).

Answer 1

1. The effort is the force it is applied to the machine to do the work.
2. The effort is used to define the work input as a product of effort and the distance between the effort moves.
3. Effort can be in any direction, whether upward or downward.
4. In the case of class 1 lever effort acts in the downward direction.
5. In the case of class 2 and 3 levers, the effort will be in an upward direction.

Hence, the force applied to a simple machine to do work is called effort.