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A uniform plank ABC of weight 30 N and 2 m long is supported at one end A and at a point B 1.4 m

A uniform plank ABC of weight 30 N and 2 m long is supported at one end A and at a point B 1.4 m from A as shown in Fig.

Find the maximum weight W, that can be placed at C, so that the plank does not topple.

A 1 m 1.4 m 30 N B 0.6 m- W C

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