Problem 13-92 If the coefficient of static friction between the conical surface

Question

Problem 13-92

If the coefficient of static friction between the conical surface and the block of mass m is mus = 0.2, determine the minimum constant angular velocity theta so that the block does not slide downwards, (ans: theta = 4.67 rad/s) The 1-5-kg cylinder C travels along the path described by r = (0.6 sin theta )m. If arm OA is rotating counterclockwise with an angular velocity of theta = 3rad/s, determine the force exerted by the smooth slot in arm OA on the cylinder at the instant theta = 60 degree . The spring has a stiffness of 100 N/m and is unstretched when theta = 30 degree . The cylinder is in contact with only one edge of the slotted arm. Neglect the

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