Asked by ken

A beam having a length of 20 metres is pivoted at its mid point. A 200 newton load is located at a point 5 m from the right hand end of the beam. A 300 newton load is located at a point 8 m from the right hand end. In order for the beam to be in equilibrium, what load is required at the extreme left end of the beam?
Answered by Steve
the moments must balance. That is, if a load of w is located 10m to the left,

10w = 200*5 + 300*2
10w = 1600
w = 160
Answered by Ken
A lever 9.000 m in length has the fulcrum placed at one end. A load of 26.000 kN is applied to a point 2.200 m from the fulcrum. What force must be applied to the end of the lever to place the system in equilibrium?
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