Asked by Megan

The 3.0 m long, 94 kg rigid beam in the following figure is supported at each end. An 70 kg student stands 2.0 m from support 1.

How much upward force does the support 1 exert on the beam?
How much upward force does the support 2 exert on the beam?

Answers

Answered by R_scott
alternately use support 1 and support 2 as a fulcrum

calculate the moments

the mass of the beam acts in the center
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