Conditions for Equilibrium. A 600.0 N window washer (person) is standing on a uniform scaffold supported...

Question

Question

Answer 1

Answer #1

weight of the window washer, w1=600 N at x=2m

weight of the scaffold, w2=450 N

length of the scaffold, l=3m

by balancing force,

T1+T2=w1+W2

T1+T2=600+450

T1+T2=1050 ----(1)

and

net torque w r to left end

T2*l=w2*l/2+w1*(l-x)

T2*3=450*3/2+600*(3-2)

T2=425 N --------------->

from equation (1),

T1+425=1050

T1=625 N ---------------->

Answer 2

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