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3 Below, someone is trying to balance a plank with stones. The plank has negligible weight. a Calculate the moment of the 4 N force about O. b Calculate the moment of the 6 N force about O. - 2 m * 2 m-* 4 m Р 1 4N 6N

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abidemiokin

Answer:

Moment of the 4N force = 16Nm

Moment of the 6N force = 12Nm

Explanation:

Find the diagram attached.

Moment of a force is the product of the force and the perpendicular distance from the point of application

For the 4N force

Distance of the force from O is 4m

Moment of the 4N force = 4N * 4m

Moment of the 4N force = 16Nm

For the 6N force

Distance of the force from O is 2m

Moment of the 6N force = 6N * 2m

Moment of the 6N force = 12Nm

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