Tention and Moments

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1. Apr 18, 2015

ryanuser

1. The problem statement, all variables and given/known data
The problem is question 4) iii) B) found in the attachment below.

2. Relevant 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.

3. 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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2. Apr 18, 2015

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 $\Sigma\vec\tau = 0$.