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15. What is the force in the forward direction on the lawn mower
due to the man pushing on the handle?

A.    321 N
B.    383 N
C.    420. N
D.    500. N

       
                   Force Forward
Cos 50o = ----------------------
                   Force Handle

   
Force Forward = Cos 50o  x  Force Handle = Cos 50o x 500. N = 321 N

The Correct Answer is A.