Task 3.2 Analyse simple machines

A)

In the pulley system below, a final effort of 40N is applied. The load on the pulley is 160N.

The final effort moves a distance of 5m and in the same time the load is moved a distance

of 1m. Calculate:

i. the mechanical advantage

ii.

the velocity ratio

III. the efficiency of the machine.

FINAL EFFORT

LOAD

EFFORT

EFFORT