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

C

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

D

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

Text Solution

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The correct Answer is:
B, C
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