Question

. A car is travelling along a country road
that resembles a roller coaster track. If
car travels with uniform speed, the force
exerted by road on the car is maximum at
(a) A
(b) B
(d) Equal at all positions A, B and C​

Answer 1

Answer:

D) all equal poisition because the car is the force exerted by road is same

Answer 2

Explanation:

at position A ,because in this position sum of the forces due to its own weight and friction providing centripetal force.

according to the Newton third law,

at A force exerted by road is maximum