A 160-m uniform ladder weighing 490 n rests against a, Physics

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A 160-m uniform ladder weighing 490 n rests against a

A 16.0-m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes a 65.0° angle with the horizontal.

(a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 810-N firefighter has climbed 4.10 m along the ladder from the bottom. What is the magnitude and direction?

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Physics: A 160-m uniform ladder weighing 490 n rests against a

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