First slide

Circular motion in horizontal plane

Question

A vehicle is travelling along unbanked curved path. If the friction between the road and tyres suddenly disappears then the vehicle

Moderate

A

Moves along tangential direction
B

Moves along radially outward direction
C

Moves along a direction between tangential and radially outward direction
D

Moves along the same curved path.

Solution

When the car travels along curved path , the necessary centripetal force is supplied by the radically inward friction force acting on the tyres . If friction disappears , the car no longer travels in curved path.It will continue to move along tangential direction.

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