Name the type of force acting in each of the following cases.
(a) attraction of iron pins to a magnet
(b) a man pulling a rickshaw
(c) a football in air
(d) falling raindrops
(e) your hair stands on end when you remove a woollen cap
(f) a ball rolling on the ground
(g) a carpenter driving a nail into wood with a hammer
(h) a boy pedalling a cycle

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Solution

(a) Attraction of iron pins to a magnet: Magnetic force.

(b) A man pulling a rickshaw: Muscular force

(c) A football in the air: Gravitational force

(d) Falling raindrops: Gravitational force

(e) Your hair stands on end when you remove a woollen cap: Electrostatic force

(f) A ball rolling on the ground: Frictional force

(g) A carpenter driving a nail into wood with a hammer: Muscular Force

(h) A boy pedalling a cycle: Muscular force

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