Which one of the following forces is a contact force?

Force of gravity

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Force of friction

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Magnetic force

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Electrostatic force

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Solution

The correct option is D Force of friction
Friction is a surface phenomenon. When two surfaces have irregularities that come in contact they get interlocked preventing them from sliding against each other. So, the frictional force is a contact force dependent on the surface.
Here, option (B) is correct.
Gravitational force, electrostatic force, and magnetic force do not depend on the surface.

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Similar questions

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

1. It depends on the nature of the surface in contact.

2. It always opposes relative motion between two objects.

3. It is a contact force.

4. It is a non- contact force.

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