Question

According to the passage, which of the following is an example of a simple machine that makes our work easier?

A
a lawnmower used to cut the grass

B
a laptop computer that fits easily in a backpack

C
a pulley that lifts an elevator off the ground

D
a remote control for the television

Answer 1

Answer:

C, A pulley that lifts an elevator off the ground

Explanation:

Basically, it's just easier than a human doing it because that would probably be too much work for humans.