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Tension in Rope using Torque? Did I do this correctly?

  • Thread starter kepherax
  • Start date
7
0
Homework Statement
A wooden beam is suspended as shown below. The beam has a mass of 25 kg and has a length as shown. A sign is of mass 10 kg is to suspended from the beam at a distance of 2/3 from the edge of the beam. What is the tension in the rope?
Homework Equations
Torque = |F||d|sin angle or r x F
joe.JPG


I think I understand but just want to check if I did this correctly, or if there is more to it...

20191010_133502.jpg
 

BvU

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Where's the 'edge' of the beam ?
 
7
0
Where's the 'edge' of the beam ?
I set the pivot point to be where the beam meets the wall, the block on the left is the wall.
 

kuruman

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Your answer is fine.
 

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