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
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A long uniform rod of lengthĀ LĀ and massĀ MĀ is pivoted about a frictionless, horizontal pin through one end. The rod is nudged from rest in a vertical position as shown in the figure below.
(a) At the instant the rod is horizontal, find its angular speed.Ā
(b) At the instant the rod is horizontal, find the magnitude of its angular acceleration.
(c) At the instant the rod is horizontal, find theĀ xĀ andĀ yĀ components of the acceleration of its center of mass.
(d) At the instant the rod is horizontal, find the components of the reaction force at the pivot.
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 pinĀ B when .
Ā
A long, uniform rod of length L and mass M is pivoted about a frictionless, horizontal pin through one end. The rod is nudged from rest in a vertical position as shown in Figure P 10.73. At the instant the rod is horizontal, find (a) its angular speed, (b) the magnitude of its angular acceleration, (c) the x and y components of the acceleration of its center of mass, and (d) the components of the reaction force at the pivot.
