Give two reasons why the efficiency of a single movable pulley system is not 100%.
Dear Student,
The efficiency of a single movable pulley system is not 100% because of the following reasons:
1. The friction of the pulley bearing is not zero.
2. The weight of the pulley and string is not zero.
Regards
The efficiency of a single movable pulley system is not 100% because of the following reasons:
1. The friction of the pulley bearing is not zero.
2. The weight of the pulley and string is not zero.
Regards