The uniform slender rod has a mass of m. If it is released from rest when , determine the magnitude of the reactive force exerted on it by pin B when .
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A uniform slender rod ab rests on a frictionless horizontal surface and a force P of magnitude 0.25lb is applied at A in a direction perpendicular to the rod. Knowing that the rod weighs 1.75 lb, determine the acceleration of
(a) point A
(b) point B
A uniform thin rod of length L and mass M is free to rotate on a frictionless pin passing through one end. The rod is released from rest in the horizontal position. (a) What is the speed of its center of gravity when the rod reaches its lowest position? (b) What is the tangential speed of the lowest point on the rod when it is in the vertical position?
A uniform rod is 2.0 m long. The rod is pivoted about a horizontal, frictionless pin through one end. The rod is released from rest at an angle of 30° above the horizontal. What is the angular acceleration of the rod at the instant it is released?
