Classify the following amongst contact and non-contact forces.
(a) Frictional force
(b) normal reaction force.
(c) force of tension in a string
(d) gravitation force
(e) electrostatic force
(f) magnetic force

Updated on : 2022-09-05
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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) force of tension in a string
Non-contact force: (d) gravitational force (e) electric force (f) magnetic force

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