1-What is the magnitude of the normal force exerted on the car by the walls of t

Question

1-What is the magnitude of the normal force exerted on the car by the walls of the cylinder at pointA (at the bottom of the vertical circle)?

2- What is the magnitude of the normal force exerted on the car by the walls of the cylinder at pointB (at the top of the vertical circle)?

A small remote-control car with a mass of 1.70kg moves at a constant speed of v = 12.0m/s in a vertical circle inside a hollow metal cylinder that has a radius of 5.00m 1-What is the magnitude of the normal force exerted on the car by the walls of the cylinder at pointA (at the bottom of the vertical circle)? 2- What is the magnitude of the normal force exerted on the car by the walls of the cylinder at pointB (at the top of the vertical circle)?

Explanation / Answer

At A)

F=m*g+(m*v^2)/r

   =>F=65.62N

At B)

F=(m*v^2)/r -m*g

=>F=32.3N

where m=mass of car, g=Acceleration due to gravity, r=rad of hollow cyllinder.

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