classify the following amongst contact and non-contact force. 1 frictional force 2 magnetic force 3 normal reaction force 4 gravitational force
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The forces which act on bodies when they are in physical contact. are called contact forces. For e.g. frictional force and force exerted on two bodies during a collision.
The forces experienced by bodies even without being physically touched are called the non-contact forces. For e.g. Gravitational force and Electrostatic force. Contact force: (a) frictional force (b) normal reaction force (c)
Non-contact force: (d) gravitational force (e) magnetic force
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