Determine the angle and the magnitude of force f so that the resultant force acting on the post is directed vertically upward and has a magnitude of 750 n

The force F = 318 and the angle 18.5°. The first thing to do is to resolve the forces into components along the x and y-axis and then equate it to Rx and Ry. R has no component along the x-axis since it is directed along the y-axis.

Explanation:

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i think the answer would be b

so easy. just google the electromagnetic waves and it’ll pop up.