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A small remote-control car with mass 1.60 kg moves at a constant speed of v = 12.0 m/ s in a vertical circle inside a hollow metal cylinder that has a radius of 5.00 m (Fig 5.82). What is the magnitude of the normal force exerted on the car by the walls of the cylinder at?
(a) point A (at the bottom of the vertical circle) and
(b) point B (at the top of the vertical circle)? |
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