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Mathematics 21 Online
OpenStudy (anonymous):

A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0 deg , and the man pulls upward with a force whose direction makes an angle of 30.0 deg with the ramp . I'll draw sketch

OpenStudy (anonymous):

|dw:1316719112624:dw| How large a force F is necessary for the component F_x parallel to the ramp to be 60.0 deg?

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