Q: Pulleys are generally used to do what with objects?


Read this paragraph and choose the correct option from the provided answers:

A pulley is a simple machine that consists of a rope and grooved wheel. The rope fits into the groove in the wheel, and pulling on the rope turns the wheel. Pulleys are generally used to lift objects, especially heavy objects. The object lifted by a pulley is called the load. The force applied to the pulley is called the effort.

 Choices:

- wrap

- clean

- pack

- lift


A:
lift