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Question

A spinning wheel A is brought in contact with another wheel B which is initially at rest. Because of the friction at contact, the second wheel also starts spinning, then which of the following energies of B won't change?



Your Answer
A

Kinetic

Your Answer
B

Potential

Correct Answer
C

Mechanical 

Your Answer
D

Internal


Solution

The correct option is A

Mechanical 


when the two wheels comes into contact with each other, because of friction, the mechanical energy of wheel 'B' increases 

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