Figure P2.70 In the preceding problem, let mu remain at 0.5 but consider increas

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Figure P2.70 In the preceding problem, let mu remain at 0.5 but consider increasing the parameter rw 0 2/g. At what value of this parameter will A slide outward on B? At what angle will this occur? A horizontal wheel is rotating about its fixed axis at a rate of 10 rad/sec, and this angular speed is increasing at the given time at theta - 5 rad/sec2. (See Figure 2.72.) At this same instant, a bead is sliding inward relative to the spoke on which it moves at 5 ft/sec; this speed is slowing down at this time at 2 ft/sec2. If the bead weighs 0.02 lb and is 1 ft from the center in the given configuration, find the external force exerted on the bead. Is it possible that this force can be exerted solely by the spoke and not in part by other external sources? A ball bearing is moving radially outward in a slotted horizontal disk that is rotating about the vertical z axis. At the instant shown in Figure P2.73, the ball bearing is 3 in. from the center of the disk. It is traveling radially outward at a velocity of 4 in. / sec relative to disk. If theta = 2 rad /sec and is constant, find f and the force A bead slides down a a certain instant, has (p = 2 in the direction shown in Fig of line OP at this time is theta: Find the value of theta and tl by the hoop at the given in is 0.1 kg and the radius of spherical coordinates. Figure P2.74

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