Question

why pulleys are called simple machine? explain the working of pulleys​

Answer 1

Answer:

setach it on google you got correct answers

Answer 2

Answer:

The pulley is really a wheel and axle with a rope or chain attached. A pulley makes work seem easier because it changes the direction of motion to work with gravity. So it is called as simple machine

One wheel. If you have a single wheel and a rope, a pulley helps you reverse the direction of your lifting force. So, as in the picture below, you pull the rope down to lift the weight up. If you want to lift something that weighs 100kg, you have to pull down with a force equivalent to 100kg, which is 1000N (newtons).

Hope it helps you mate