Homework Help: physics

Posted by brian on Sunday, November 13, 2011 at 10:09am.

a horizontal force of 290N is applied to a stationary wooden box in one direction, and a 800N horizontal force is applied in the opposite direction. What additional force is needed for the box to remain stationary?

physics - Henry, Tuesday, November 15, 2011 at 3:45pm
F + (800-290) = 0,
F + 510 = 0,
F = - 510N.

F should be equal and opposite of the
resultant of the other 2 forces.

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