91Ó°ÊÓ

The acceleration of a body traveling in a circular route is known as centripetal acceleration. Because velocity is a vector quantity (it has both a magnitude and a direction), as a body moves on a circular path, its direction changes constantly, causing its velocity to vary, resulting in acceleration.

We know that Newton’s law of motion is valid for inertial frames only.

If a frame of reference is accelerated it is not inertial.

So, we have to add a pseudo force is a

$\mathbf{F}\mathbf{=}\mathbf{-}\mathbf{m}\mathbf{}{\mathbf{a}}_{\mathbf{0}}$

As Centripetal acceleration acts on the car. We are driving the car so in an accelerated frame of reference. So there will be a pseudo force acting in opposition to the acceleration of the car.

Hence, we feel an outward throw from the centre as a car goes around a curve.

But for an observer outside the car both the forces balance each other.