O Timer Notes Feedback Print O Info Course Contents ...HW5 Rope pulling a block

Question

O Timer Notes Feedback Print O Info Course Contents ...HW5 Rope pulling a block Evaluate A block of mass horizontal force and block. 5.02 m/s 2 . kg is pulled along a horizontal frictionless surface by a rope of mass m -1.8 kg, as shown in the figure. A . 260 N acts on one end of the rope. Assuming that the sag of the rope is negligible, find the acceleration of the rope You are correct. Your receipt no, is 155-4263 Find the force that the rope exerts on the block. 2.51x102 N Previous Tries You are correct. Previous Tres Your recelpt no. is 155-887)1 Find the tension in the rope at its midpoint. 4.92N Submit Answer Incorrect. Tries 8/10 Prexious Tries This discussion is closed. Send Feedback

Explanation / Answer

acceleration a = f/(M+m)

a = 260/(50+1.8) = 5.02 m/s^2

b) Fblock = Ma = 50*5.02 = 251 N

c) Tmidpoint = (M+m/2)a = (50+1.8/2)*5.02 = 255.52 N

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