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The man attempts to pull down the tree using the cable and small pulley arrangement shown. If the tension in AB is 60 N, determine the tension in cable CAD and the angle ɵwhich the cable makes at the pulley.
A uniform rod is rotating on a horizontal plane about a vertical axis through one end with a constant angular velocity ω0. Due to internal shear forces, the rod breaks at the mid-point of its length, and the part with the fixed axis has an angular velocity 1.5ω0 in the same sense. Determine the angular velocity of the other half.
the position of the 4 kg collar C on the smooth rod AB is held at r=0.72 m and L=0.3 m , determine the constant angular velocity (Theta) at which the mechanism is rotating about the vertical axis. The spring with k= 219 N/m has an unstretched length of 0.4 m. Neglect the mass of the rod and the size of the collar.
Angular Velocity (Theta) (in rad/s)
Answer
