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A 531 N window washer is standing on a scaffold supported by a vertical rope at each end.The sca?old weighs 332 N and is 3.5 m long.Assume the window washer stands 1.36 mfrom the left end.What is the tension in the rope on the right?Answer in units of NWhat is the tension in the rope on the left?Answer in units of N
(332 N)×(3.5 m)/2 + (531 N)×(1.36 m) = (3.5 m)×R R = 372.3 N < - - - - - - - - -tension in the right rope (531 N) + (332 N) = (372.3 N) + L L = 490.7 N < - - - - - - - - - tension in the left rope
Seeking the Responsibility System of Safety Responsibility of Each Function Department Garden company for safe production permit
System, and to monitor the implementation of the situation
Two painters are standing on a 5.0 mg long scaffold. Each painter weighs 833 N. 1 painter is standing 2.0 mg from the left end and 1 is standing .50 mg from the right end. The scaffold weighs 285 N. What is the tension in the 2 cables supporting the scaffold?
Summing torques at the left cable T2*5-833*2-285*2.5-833*4.5=0 T2=1225 N Summing torques at the right cable T1*5-833*3-285*2.5-833*.5=0 T1=726 N Check 833*2+285-(1225+726)=0 It checks j
What is the most important safety hazard at the construction site?
Civilized construction Site fencing Some works in the urban area of ??the main section of the site is not set above the 25m fence some site fence material is not strong, unstable, not clean, do not meet the local aesthetic requirements
2009 and 2010 construction of secondary construction division of the exam questions and answers, Jiqiu ~!
(Construction project) single multiple choice questions (a total of 20 questions, each question 1 points
I have a concrete transport arm pump, would like to ask which building materials companies need to use, can be resident
Because you scaffolding too high pump enough, so you can only use the tow pump or car pump when the tow pump, the pump tube connected to the pouring site, with the pipe, pipe to complete the concrete pouring task
What kind of insulation materials and equipment are allowed to be imported in China?
One of China Polypropylene board (EPS board) or extruded board (XPS board), extruded board special interface agent
Investment to do a steel pipe fastener leasing company, generally need to invest how much money? What conditions and procedures are required? Please help. Please help from the human, financial, facilities, steel, fastener configuration to help answer. Greatful
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