6. Intro to Forces (Dynamics)
Newton's First & Second Laws
3:23 minutes
Problem 4m
Textbook Question
Textbook QuestionA man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0°, and the man pulls upward with a force F→ whose direction makes an angle of 30.0° with the ramp (Fig. E4.4). (a) How large a force F→ is necessary for the component Fx parallel to the ramp to be 90.0 N?
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