Question

how can simple machine help us?

Answer 1

Answer:

simple machines can help us saving our time & energy

Explanation:

simple machines increase the force applied.

Answer 2

Answer:

Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities.

Explanation:

Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge, and lever.