Question

He said to me, "We are taking this exams"
They said to me, "We have cheated our parents"
He said, "I have not been speaking truth"
He said to me, "I taught you yesterday"
He said, "We were not giving exams"
Ali said, "I had read these book"
He said, "You will be taking tea"
Amna said, "You shall not have washed clothes" ​

Answer 1

Explanation:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact