March 28, 2017

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A 16.0-m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes a 63.0° angle with the horizontal.
(a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 850-N firefighter has climbed 3.80 m along the ladder from the bottom.
Give the magnitude and direction of the vertical and horizontal components

  • physics - ,

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