Question

1. Use of force to cause an object at rest to move.
Ans.
Il. Force stopping a moving object.
Ans.
ill. Force changing the direction of movement of an object.
Ans.
5. Which is easier to push a coin into sand or to push a coin into slay? why?
Ans.​

Answer 1

Answer:

1.Muscular force,mechanical force etc

2.Frictional force,Drag

3.same as 1

4.coin into slay as sand has more friction