If you were in a rotor style ride and the riders accelerate until the speed of ride is reached- if the radius of the cylinder is 5.0m and the coefficient of friction between clothes and wall is 0.5, how do you find minimum speed you would need to stick to the wall of the ride?
Could you explain how to set it thank you

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1. you need a centripetal acceleration equal to 2g if the mu is 1/2
Force down = m g
friction force up = mu m v^2/r
g = mu v^2/r
v^2/r = g/mu = 2 g
v^2 = 2 r g

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posted by Damon
2. A 50KG BLOCK IS BEING PULLED BY A 200N FORCE ON A HORIZONTAL ROUH SURFACE AS SHOWN IN THE DIAGRAM.IF THE COEFFICIENT OF KINETIC FRICTION BETWEEN THE BLOCK AND THE SURFACE IS 0.3, FIND THE ACCELERATION OF THE BLOCK.

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posted by BAKO

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