problem04_33

University Physics with Modern Physics with Mastering Physics (11th Edition)

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4.33: a) The resultant must have no y -component, and so the child must push with a force with y -component N. 6 . 16 60 sin N) 100 ( 30 sin ) N 140 ( - = ° - ° For the child to exert the smallest possible force, that force will have no x -component, so the smallest possible
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Unformatted text preview: force has magnitude 16.6 N and is at an angle of 270 , or 90 clockwise from the x +-direction. b) . N 840 ) s / m 80 . 9 )( kg 6 . 85 ( . kg 6 . 85 2 s / m . 2 30 cos N 140 60 cos N 100 2 = = = = = = + mg w m a F ....
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