Asked by joy
A 4-m wooden platform weighing 160 N is suspended from the roof of a house by ropes attached to its ends. A painter weighing 640 N stands 1.2 m from the left-hand end of the platform. Find the tension in each of the ropes
Answers
Answered by
drwls
Perform a total force and total moment (torque) balance.
The sum of the two rope tensions is 800 N.
Set the total moment about either end equal to zero to obtain the tension of the rope on the other side. The moment due to the weight of the plank acts like a 160-N weight at the center
The sum of the two rope tensions is 800 N.
Set the total moment about either end equal to zero to obtain the tension of the rope on the other side. The moment due to the weight of the plank acts like a 160-N weight at the center
Answered by
Prosper
Please solve for me
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