PH-1836
Moments
Physics · Secondary 4 · Hard · Moments
A steel beam of weight 8000 N is supported horizontally on two supports, P and Q, at its ends. The beam is 6.0 m long. A 2000 N load is placed 2.0 m from P. Using the principle of moments about P, what is the reaction force at Q?
- 3300 N
- 4000 N
- 4700 N
- 6000 N
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