Which of the following is incorrect about Kinetic friction?

It is non conservative force

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It is a pseudo force.

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It opposes relative velocity

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During closed path work done is non zero

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Solution

The correct option is B It is a pseudo force.
Theoretical: It is a contact force which exists between two bodies in relative motion.

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Similar questions

Which of the following is/are true about the frictional force?

1. It acts between all moving objects.

2. It always opposes relative motion between two objects.

3. It is a contact force.

4. It is a non- contact 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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