Shown below particle b is exiting the slot at the

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Unformatted text preview: article B At position 2. shown below, particle B is exiting the slot at the right edge of the block. The masses of A and B You must provide an radius of the circular slot is r are M and m, respectively. Theaccurate free body diagram of .the system used in your solution in order to receive full credit for your work. Consider using both the linear impulsemomentum and work- block equations in solving particle B at Find: Determine the velocity ofenergyA and the velocity of this problem. position 2. m VA2 B r g B A M POSITION 1 A POSITION 2 Use the following parameters in your analysis: m = 20kg , M = 40kg and r = 2m. VB2 Particle K inetics Homework Problems ME 274 Problem IV-51 IV-53 Given: A particle P, having a mass of m = 10 kg, is free to slide on a smooth, lightweight bar. The bar is free to rotate in a horizontal plane about a vertical Problem IV.51 shaft passing through O. A spring, having a stiffness k = 400 N/m and unstretched length R0 = 2 meters, is connected between P and O. The spring Given: A particleis compressed to half m, its free to slide length and released when the bar has P, having a mass of of is unstretched on a smooth, lightweight bar. The bar is free to rotate in a rotational speed of !1 = 5 rad/sec, as shown inthrough O.below left. having a a horizontal plane about a vertical shaft passing the figure A spring, Chapter IV: Particle Kinetics Homework stiffness k and unstretched length R0 , is connected between P and O. The spring is compressed to half of its unstretched length and released when the bar has a rotational speed of ω1 , as shown in Find: For the figure below left. the position when R = R0 (shown in the figure below right): a) Determine the rotation rate !2 of the bar. dR Find: For the position when R = R0 (shown in the figure below right): a) determine the rotation b) Determine the value of ˙ . rate ω2 of the bar, and b) determine the value of dt . R P !1 R = R0/2 k !2 O k P R = R0 O HORIZONTAL PLANE Use the following parameters in your analysis: m = 10kg , k = 400N/m, R0 = 2m and ω1 = 5rad/sec. oblem IV-52 ven: Particle P (of mass m = 8 kg) moves within a vertical plane inside a rough, circular slot. The coefficient of kinetic friction between particleChapter IV: Particle Kinetics Homework P and the slot IV-54 is µk = 0.2, and the radius of the slot is r = 2 meters. At the position shown below, the speed of P is known to be v = 3 m/sec. Problem IV.52 d: For this position: Given: Particle P (of mass m) moves within a vertical plane inside a rough, circular slot. The a) coeetermine the numerical value of the normalPcontact force of the slot the radius of the slot is r. D fficient of kinetic friction between particle and the slot is µk , and Atn P. position shown below, the speed of P is known to be v . o the b) Find:in contact position: ia) determine the numerical value of the normal contact force of the slot Is P For this with the nner or outer surface of the slot? c) on etermine the rate of change of speed...
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This document was uploaded on 01/20/2014.

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