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A board has a length of 3 meters and it rests horizontally on two supports. Support...

A board has a length of 3 meters and it rests horizontally on two supports. Support 1 is 0.21 meters from the left end of the board and support 2 is 0.28 meters from the right end of the board. The normal force from support 2 is 15 Newtons. What is the weight of the board in Newtons?

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