(i) Give an example of a non-contact force which is always of attractive in nature.
(ii) How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?

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Solution

(i) Gravitational Force.
Example : A ball placed on a table starts rolling down when the table is tilted.
(ii) It varies inversely as the square of distance of separation between them i.e, as the distance between the two bodies increases, the magnitude of the force between them decreases.

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