As illustrated in Fig 9 9, a thin cylindrical shell of inner radius r rotates horizontally, about a vertical axis, at an angular speed A wooden block rests against the inner surface and rotates with it If the coefficient of static friction between block and surface is s , how fast must the shell be...

The surface holds the block in place by pushing on it with a centripetal force mro This forc ...

As illustrated in Fig. 9-9, a thin cylindrical shell of inner radius r rotates horizontally, about a

Question:

As illustrated in Fig. 9-9, a thin cylindrical shell of inner radius r rotates horizontally, about a vertical axis, at an angular speed ω. A wooden block rests against the inner surface and rotates with it. If the coefficient of static friction between block and surface is μ_s, how fast must the shell be rotating if the block is not to slip and fall? Assume r = 150 cm and μ_s = 0.30. Fig. 9-9 W