Lessons

Eamcet Physics
1 st Year : Unit 4.2 ( Work-Power And Energy) - Vertical Circular Motion

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Q.

A car of mass m is moving on a horizontal circular path of radius r. At certain instant its speed is v and has tangential acceleration ‘a’.
(a) The acceleration of the car points towards the centre of the path.
(b) The coefficient of friction between the ground and the car is tan-1
(c) The coefficient of friction between the ground and the car is larger than a/g
(d) The frictional force on the car is larger than mv2/r.

View Answer

Correct choice: D

Explanation:

None
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