Solve Tension and Moments Problem: Q4 iii) B)

[ryanuser]

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

 

[BvU]

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 $\Sigma\vec\tau = 0$.