Find The Algebric Moment
A, B, C, D, H are five points on a straight line such that AB = 4 cm , BC = 6 cm , CD = 2 cm , DH = 3 cm . The parallel forces 30, 25, 40 Newton ac at A, C, H respectively in the same direction perpendicular to AH. the two parallel forces 50, 20 Newton act at B, D perpendicular to AH and in opposite direction to the three other forces. What is the +ve algebraic sum of moments of this forces about A if the Unit is N.cm.
The answer is 410.
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