1(a)
(i) Give an example of a non-contact force which is always of attractive 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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(i) A non-contact force which is always of attractive nature is gravitational force.
(ii) Magnitude of non-contact forces on the two bodies is inversely proportional to the square of the distance of separation between them.