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What is the value of the resultant turning moment about the pivot at the instant when the rule is horizontal?

This question is part of Turning Effects of forces
Asked by Angsh, Last updated: Sep 16, 2020

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3 Answers

A. Daniels

A. Daniels

A. Daniels
A. Daniels, Professor, San Diego

Answered Apr 09, 2019

The correct answer to this question is 160NCM anticlockwise. This question deals with forces and moment. The metric rule of this question is uniform in the weight act. This uniformity creates an anticlockwise moment. The 4.0N weight is downward at one end, creating a clockwise moment.

This resultant moment equals to (4.0 x (100-60) x 10) - (16.0 x 0.1), which equals 160nm. The resulting moment is not able to be zero. In this question, the rule is an instant, which is why it is unable to be zero. If the rule was remaining horizontal at equilibrium, then zero would be a possibility.

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Bakari

Bakari

Bakari
Bakari

Answered Feb 26, 2017

160Ncmclockwise
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John Smith

John Smith

John Smith
John Smith

Answered Nov 22, 2016

Zero
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