alternately use support 1 and support 2 as a fulcrum
calculate the moments
the mass of the beam acts in the center
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?
1 answer