What is the unit of force?

Name the quantity whose unit is 'Newton' (N).

When a ball is dropped from a height, its speed increases gradually. Name the force which causes this change in speed.

Give one example where force changes the shape of an object.

Identify the actions involved in the following situations as push or pull, or both:

(a) Opening a drawer.

(b) A cricket ball hit by a batsman.

(c) Drawing a bucket of water from a well.

(d) moving a book placed on a table.

(e) A football player taking a penalty corner.

(f) Moving a wheel barrow.