Question
A pulley system is operating at only 50% efficiency. How could the efficiency be increased? (1 point)
Responses
by reducing the friction on the pulleys
by reducing the friction on the pulleys
by decreasing the amount of weight being lifted
by decreasing the amount of weight being lifted
by adding more pulleys to the system
by adding more pulleys to the system
by having a second person pulling on the rope
Responses
by reducing the friction on the pulleys
by reducing the friction on the pulleys
by decreasing the amount of weight being lifted
by decreasing the amount of weight being lifted
by adding more pulleys to the system
by adding more pulleys to the system
by having a second person pulling on the rope
Answers
GPT-4o mini
The efficiency of the pulley system could be increased **by reducing the friction on the pulleys**. Reducing friction will allow for smoother movement and less energy loss, thereby increasing the efficiency of the system.