A fireman wants to slide down a rope. the breaking load for the rope is 3/4th of the weight of the man. with what minimum acceleration sholud the fireman slide down? acceleration due to gravity is g.
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Total net force acting :
T=mg-ma
T=mg-2/3(mg)
Since tension in the rope is ma
ma=mg-2/3(mg)
ma=m[3g-2g)/3a
=g/3
∴ minimum acceleration he should slide down is g/3
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