Classify the following amongst contact and non-contact forces:
(a) frictional force,
(b) Normal reaction
(c) force of tension in a string,
(d) gravitational force,
(e) electrostatic force,
(f) magnetic force.

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Solution

Frictional force -contact force

normal reaction-contact force

force of tension in a string,--contact force

Gratitational force-- non-contact force

electrostatic force-non-contact force

magnetic force--non-contact force

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Similar questions

Classify the following amongst the contact and non-contact forces:

i) frictional force,

ii) normal reaction force

iii) force of tension in a string,

iv) gravitational force

Which of the following is a contact force:
(a) electrostatic force (b) gravitational force
(c) Frictional force (d) magnetic force.

Which of the following is not a no-contact force ?
(a) electrostatic force (b) gravitational force (c) frictional force (d) magnetic force

The non contact force is :
(a) force of reaction (b) force due to gravity
(c) tension in string (d) force of friction

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