with which it 1 to make the Force F Find it has to be 1987 7M strings of d frictionless 161 26 In the figure the blocks A B and

Question

with which it 1 to make the Force F Find it has to be 1987 7M strings of d frictionless 161 26 In the figure the blocks A B and C have masses 3 kg 4 kg nos and 8 kg respectively The coefficient of sliding friction between any two surfaces is 0 25 A is held at rest by a massless rigid rod fixed to the wall while B and Care connected by a light flexible cord passing around a fixed frictionless pulley Find the force F necessary to drag C along the horizontal surface to the left at a constant speed Assume that the arrangement shown in the figure i e B on C and A on B is maintained throughout Take g 10 m s 1978 A

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