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2. A 78 block lies on a long horizontal board 1.40 m from left end ....

2. A 78 block lies on a long horizontal board 1.40 m from left end . This 19 kg board is uniform, 6.0 m long, and supported at each end by vertical posts.

(a) What is the magnitude of the left post?

b) What is the magnitude of the right post?

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