A 300 kg beam is supported at each end. (The beam is horizontal). A 100 kg...
A 300 kg beam is supported at each end. (The beam is horizontal). A 100 kg mass sits one third of the way from one end. Find the force acting upward at each end.
Homework Answers
the reaction forces acting upwards are R1 and R2
balancing the force in vertical direction
R1 + R2 = 300*9.8 + 100*9.8
R1 + R2 = 3920 ---------(1)
TAKING MOment about the left end
100*9.8*l/3 + 300*9.8*l/2 = R2*l
R2 = 1796.7 N
R1 = 3920 - 1796. = 2123.3 N
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A 300 kg beam is supported at each end. (The beam is
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A 300 kg beam is supported at each end. (The beam is horizontal). A 100 kg mass sits one third of the way from one end. Find the force acting upward at each end.
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