Solve Tension and Moments Problem: Q4 iii) B)

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SUMMARY

The discussion focuses on solving a tension and moments problem from question 4) iii) B). The key equations referenced include the principle that the sum of clockwise moments equals the sum of counterclockwise moments, and the formula for the moment of a force about a point, defined as force multiplied by the perpendicular distance. The correct solution to the problem is 172.69N, contrasting with an initial incorrect calculation of 302.22N. Participants emphasize the importance of clearly stating the problem and identifying known and unknown variables for effective problem-solving.

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This discussion is beneficial for physics students, educators, and anyone involved in mechanical engineering or structural analysis who seeks to deepen their understanding of tension and moment calculations.

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Homework Statement


The problem is question 4) iii) B) found in the attachment below.

Homework Equations


• sum of c.w moments=sum of anti c.w moments.

• moment of a force about a point= force x perpendicular distance between the line of action of the force and the point.

The Attempt at a Solution


A full attemp is included as second attachment below. (Note the correct answer is 172.69N not 302.22N I calculated.

Why? How?

Thanks
 

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Hello RU,
by now you should be familiar with the workings of PF and know the guidelines.
Please state the problem by rephrasing it clearly and concisely. List the known/unknown variables.
Helps me and helps you too.
Equations are like ##\Sigma\vec\tau = 0##.
 

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