A scaffold of mass 50 kg and length 7.0 m is supported in a horizontal position by a vertical cable at each end. A window washer of mass 80 kg stands at a point 1.5 m from one end.

Question

A scaffold of mass 50 kg and length 7.0 m is supported in a horizontal position by a vertical cable at each end. A window washer of mass 80 kg stands at a point 1.5 m from one end. 
(a) What is the tension in the cable closer to the painter? 
 N

(b) What is the tension in the cable further from the painter?
 N

bobpursley · Answer

Ok, phillip, jane, mark, john. Nothing irritates me more than some student posting a lot of homework or test questions under differing names. Why would a volunteer help someone trying to con them?

I will be happy to critique your thinking.