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A car of maas M is moving on a horizonta...

A car of maas M is moving on a horizontal circular path of radius r. At an instant its speed is v and is increasing at a rate a.

A

The acceleration of the car is towards the centre of the path

B

The magnitude of the frictional force on the car is greater than `mv^(2)//r`

C

The friction coefficient between the car and the ground is not less than `alpha //g`

D

The friction coefficient between the car and the ground is `mu = tan^(-1)v^(2)//rg`

Text Solution

Verified by Experts

The correct Answer is:
B
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