Question

D. Answer the following questions.
1. What is the importance of machines in our life?
that is simple machine?​

Answer 1

Answer:

Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities. Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge and lever.

Answer 2

Answer:

Their is a great importance of simple machine they help to do work easier.

Like a knife is a simple machine