Question

A car in motion in brought to rest by applying brakes. [2]

I) Name the contact force responsible in bringing the car to rest.

ii) What is the direction of the above identified force with respect to the motion of the car?​

Answer 1

Answer:

1) Inertia of motion

2) vector quantity

Answer 2

Explanation:

i) Mechanical force(partly) and Frictional force (mainly)

ii) Opposite to the direction of the motion of the car. For example, if the car is along x axis(by convention), the force will be along -ve x axis.