Question

2. A speeding car stops on applying brakes
due to the action of
(a) force of gravity
(b) weight of a car
(c) friction
(d) both (a) and (b)​

Answer 1

Answer:

C) Friction

When a force is applied to the brakes of a vehicle, there is work done by the friction between the brakes and the wheel. This reduces the kinetic energy of the vehicle, slowing it down and causing the temperature of the brakes to increase. The faster a vehicle travels, the greater the braking force needed to stop it in a certain distance.

Answer 2

Answer:

$friction$

Explanation:

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