Engineering Mechanics - DynamicsChapter 13tC2sCa=tC1.54 s=tD2sDa=tD2.32 s=Problem 13-3A bar B of massM1, originally at rest, is being towed over a series of small rollers. Determinethe force in the cable at time tif the motor M is drawing in the cable for a short time at a ratev= kt2. How far does the bar move in time t? Neglect the mass of the cable, pulley, and therollers.Given:kN103N=M1300 kg=t5s=k0.4ms3=Solution:vkt2=v10ms=a2kt=a4ms2=TM1a=T1.2 kN=d0tt2⌠⎮⌡d=d
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