A spinning wheel A is brought in contact with another wheel B initially at rest. Because of the friction at contact, the second wheel also starts spinning. Heat energy is dissipated.

True

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False

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Solution

The correct option is A
True

When the two wheels come into contact with each other, friction between them opposes the relative motion and wheel B also starts to rotate, increasing its mechanical energy and some of the energy is lost as heat.

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Similar questions

Q. A spinning wheel A is brought in contact with another wheel B, initially at rest. Because of the friction at contact, the second wheel also starts spinning. Which of the following energies of the wheel B increases?
(a) Kinetic
(b) Total
(c) Mechanical
(d) Internal

A spinning wheel A is brought in contact with another wheel B initially at rest. Because of the friction at contact, the second wheel also starts spinning. Heat energy is dissipated.

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A

is brought in contact with another wheel

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initially at rest. Because of the friction at contact, the second wheel also starts spinning. Which of the following energies of the wheel

B

increases?

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A spinning wheel A is brought in contact with another wheel B initially at rest. Because of the friction at contact, the second wheel also starts spinning. Heat energy is dissipated.

The correct option is A True When the two wheels come into contact with each other, friction between them opposes the relative motion and wheel B also starts to rotate, increasing its mechanical energy and some of the energy is lost as heat.

The correct option is A
True

When the two wheels come into contact with each other, friction between them opposes the relative motion and wheel B also starts to rotate, increasing its mechanical energy and some of the energy is lost as heat.