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PhysicsNLMFBD & EquilibriumMedium2 minQB

PhysicsMediuminteger

What force must man exert on rope to keep platform in equilibrium?

Answer:

300

Solution:

The man-platform system is pulled up by three rope tensions: the rope in the man's hands and the two segments around the movable pulley

$3 T = (50 + 40) \times 10 = 900$ N

$T = 300$ N

Subject:PhysicsTopic:NLMSubtopic:FBD & Equilibrium

⏱ 2mℹ️ Source: QB

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