Question

a uniform rod PQ, supported at its center and held in a horizontal position.
The length of PQ is 1.00 m.

A force of 12 N acts at a distance of 0.30 m from the support. A spring S, fixed at its
The lower end is attached to the rod at Q.
(i) Calculate the force exerted on PQ by the spring.
(ii) Explain why it is not necessary to know the weight of PQ.

Answer 1

Answer:

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