Question

What is the IMA and N of fixed pulley?

Answer 1

A machine is simply a device that does work, and there are only six different types of simple machines IMA.

They include the lever, the pulley, the wheel and axle, the screw, the wedge and the inclined plane.

The ability of the machine to do work is dependent on two characteristics: its N mechanical advantage and its efficiency. 

Answer 2

Explanation:

A single fixed pulley, like the one in Figure 1(a), has an ideal mechanical advantage of 1 since the effort force (120 N) is equal to the load force (120 N). However, in the single movable pulley (Figure 1(b)), half of the load is supported by the rope attached to the ceiling.