# The boom weighs 2600N. The boom is attached with a frictionless pivot at its lower end. It is not uniform; the distance of its center of gravity from

The boom weighs 2600N. The boom is attached with a frictionless pivot at its lower end. It is not uniform; the distance of its center of gravity from the pivot is 35% of its length. a) Find the tension in the guy wire and the horizontal and vertical components of the force exerted on the boom at its lower end. b) Does the line of action of the force exerted on the boom a tits lower end lie along the boom?
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Elberte

Taking torques about the pivot point A
$TL\mathrm{sin}60=5000L\mathrm{cos}60+2600\left(0.35L\right)\mathrm{cos}60$
or

The vertical force exerted on the boon by the pivot

the Horizontal force

No, $\mathrm{tan}\left(\frac{{F}_{v}}{{F}_{h}}\right)$ is not equal to zero