Two identical blocks, each with a mass of 12.4 kg, arc pulled along a horizontal

Question

Two identical blocks, each with a mass of 12.4 kg, arc pulled along a horizontal surface by a horizontal force P that acts on the forward block. A rope connects the forward and rear blocks. The acceleration of the blocks is 1.94 m/s^2 and is constant. The coefficient of kinetic friction between the blocks and the surface is 0.312. [[TLO 4.9, TLO 4.3, TLO 4.5, TLO 4.6]] What is the magnitude of the net force on the forward block? ___________ N What is the magnitude of the net force on the rear block? ___________ N What is the magnitude of P ? ___________ N What is the tension in the rope? ___________ N

Explanation / Answer

a)24.056N

b)net force on the rear block=44.2432-12.4X0.312=40.3744N

c)F=(12.4+12.4)X1.94=48.112N

d)tension in the rope=48.112-(12.4X0.312)=44.2432N

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