Question

if simple machines were not invented , what changes would be there in human lifestyle​

Answer 1

If there is no simple machine invented, the tasks for humans will be complex.

Explanation:

• We use mechanism in each and every part of our human works, for example we use scissors for cutting purpose and so on so.
• If there is no simple machine; there won't be stairs, doors, and there won't be a way to get out from house.
• Mainly, there won't be vehicles because wheel mechanism plays a vital role in it.
• Simple machines will reduce our tasks and saves our time.
• We can't even imagine life without machines.