Question 2.9: Determining Scalar Components The tether of the balloon in F...
Determining Scalar Components
The tether of the balloon in Fig. 2.28 exerts an 800-N force F on the hook at O. The vertical line AB intersects the x-z plane at point A. The angle between the z axis and the line OA is 60°, and the angle between the line OA and F is 45°. Express F in terms of components.
Strategy
We can determine the components of F from the given geometric information in two steps. First, we resolve F into two vector components parallel to the lines OA and AB. The component parallel to AB is the vector component \pmb{F}_{y} . Then we can resolve the component parallel to OA to determine the vector components \pmb{{F}}_{x} and \pmb{F}_{z} .
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