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OpenStudy (aravindg):
revision on newtons laws of motion
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OpenStudy (aravindg):
In the diag shown block A,B,C weigh 3kg,4kg and 8kg respectively .The coeff of friction between any 2 surfaces is 0.25.A is held at rest by a massless rod fixed to the wall while B and C are 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 const speed.Assume that the arrangement shown in fig,B and C and A on B , is maintained all through.
OpenStudy (aravindg):
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