a pipe is anchored a wall at point A. (Part B figure) During the pipe\'s install

Question

a pipe is anchored a wall at point A. (Part B figure) During the pipe's installation, several forces are applied to the pipe at different locations. If F_1B = 80.5 N, F_2B = 50.0 N, F_3B = 62.5 N, F_4B = 93.5 N, d_1B = 0.136 m, d_2B = 0.273 m, and d_3B = 0.227 m, what is M_R_A, the net moment about point A due to these forces? Assume that moments acting counterclockwise about point A are positive whereas moments acting clockwise are negative.
Express your answer numerically in newton-meters to three significant
Mra=?

Explanation / Answer

Moment= Force*Distance

set your moment positive in the counterclockwise direction.

forces pointing down on the left side of A will be positive and forces pointing down on the right side will be negative.

Forces pointing up on the left side of A will be negative and forces pointing up on the right side will be positive.

Multiply force times the corresponding distance and sum all of them up.

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