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

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1 Answers

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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