Question

Give one example in each case where :
(a) the force is of contact, and
(b) force is at a distance.​

Answer 1

Answer:

(a) Pulling a chair

(b) An apple falling from a tree.

Explanation:

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Answer 2

Answer:

(a) frition (sliding a book on table)

(b) gravity ( dropping an apple )

Explanation:

a) two surfaces need to be in contact with each other to produce friction

b) it is an attractive force where the objects need not to be in contact