Question

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

Answer 1

Answer:

Answer is 'a'. Kinetic energy.

Explanation:

Pl. mark this as 'Brainliest Answer'.

Answer 2

When a spinning wheel A is brought in contact with another wheel B initially at rest, the (a) kinetic energy, (b) total energy (c) mechanical energy and (d) internal energy of the wheel B increases.

Explanation:

• This is because, wheel B gains kinetic energy as it starts to spin. Also, we know that the mechanical energy is the sum of kinetic energy and potential energy.
• Therefore, the mechanical energy increases which leads to increase in internal energy.
• Thus, the sum of all the energies called total energy also increases.