A block of mass 5 kg resting on a horizontal surface is connected by a cord, passing over a light frictionless pulley to a hanging block of mass 5 kg. The coefficient of kinetic friction between the block and the surface is 0.5. Tension in the cord is: (g = 9.8 m/sec 2 )
Text Solution
Verified by ExpertsThe correct answer is:
C
a = 
= g/4
mg – T = ma
T = mg – ma = 5g – 5g/4
= 
= 36.75 N
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