Posted by kate on Tuesday, October 26, 2010 at 5:42pm.
.......100..60......
..........v......v.......
----------------------
^.......................^
R1.................R2
Take moments about R1,
R2*3=100*1.5+60*2.0
Take moments about R2
R1*3=100*1.5+60*1.0
Solve for R1 and R2. They should add up to 100+60.
Related Questions
Physics - A 5.00 m long rigid beam with a mass of 200.0 kg is supported at each ...
physics - A 3.0-m-long rigid beam with a mass 130 kg is supported at each end. ...
Physics Really need help!!! - A 3.0-m-long rigid beam with a mass 130 kg is ...
physics - A gymnast with mass m1 = 47 kg is on a balance beam that sits on (but ...
physics - A 43 kg, 5.3-{\rm m}-long beam is supported, but not attached to, the ...
Physics - A 4.60-m-long, 580 kg steel beam extends horizontally from the point ...
physics - A gymnast with mass m1 = 47 kg is on a balance beam that sits on (but ...
Physics - A 1.500m long uniform beam of mass 30.00 kg is supported by a wire as ...
Physics - A man of mass 65.2 kg stands on a scaffold supported by a vertical ...
Physics - A scaffold of mass 60 kg and length 5.0 m is supported in a horizontal...
For Further Reading