Determine the resultant moment produced by the forces about point O

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Determine the resultant moment produced by the
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A force F(x, y, z) = [-20i+6j+20k]N is applied to the end of a rigid two segment arm with a pivot attached to the corner of the a table at P(x, y, z) = [1i+1j+1k]m. The end of the arm is located at position P9x, y, z)= [3.5i+3.4j+4.5k]m before the force is applied. Calculate the torque on the pivot due to the application of the force. You’ll be m hero.

rayh
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why is F of 1x is equal to 300lb sin30 and not cos30? and why is F of 1y is equal to 300lb cos30 and not sin30???

alexisbuduan
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Thanks for the tutorial. I found out that the 5.2 ft should be 3.46 ft.

michaelboniface
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sir liver arm of f1y should be 9 m.kindly check it

ahsanbashir
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please assist on the problem where by you have to determine the resultant of four forces in a couple, and thanks for the video

mosessfiso
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Can you do a problem where you have to find the angle that can produce a clockwise/anitclockwise moment M around point O. A force and an angle are given.

jacobmilner