# Problem: A man is dragging a trunk up the loading ramp of a moving truck. The ramp has a slope angle of 20.0°, and the man pulls upward with a force whose direction makes an angle of 30.0° with the ramp in the figure.(a) How large a force exttip{vec{F}}{F_vec} is necessary for the component exttip{F_{mit x}}{F_x} parallel to the ramp to be 90.0 N?(b) How large will the component exttip{F_{mit y}}{F_y} perpendicular to the ramp then be?

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A man is dragging a trunk up the loading ramp of a moving truck. The ramp has a slope angle of 20.0°, and the man pulls upward with a force whose direction makes an angle of 30.0° with the ramp in the figure.
(a) How large a force is necessary for the component parallel to the ramp to be 90.0 N?
(b) How large will the component perpendicular to the ramp then be? Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

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Based on our data, we think this problem is relevant for Professor Jerousek's class at UCF.