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Find the moment of the force about the point R.

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in Engineering Mechanics by (701k points)
Find the moment of the force about the point R.

(a) 5000Nm

(b) 5550Nm

(c) 6000Nm

(d) 7000Nm

The question was posed to me in an online quiz.

My query is from Moment of a Force in section Force System Resultants of Engineering Mechanics

1 Answer

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Correct answer is (a) 5000Nm

Best explanation: As we know that the moment is the cross product of the distance and the force we will try to apply the same here. We see that the perpendicular distance is 5m. Thus we get the distance. And hence multiply it with the force, 5x2000xsin30. Because the force component perpendicular to the distance needs to be taken.

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