Homework Help: physics

Posted by physics LSU on Wednesday, October 13, 2010 at 11:43am.

1. A man pulls a 300 N object across a horizontal surface using a 100 N force applied at a 35° angle. What is the normal force? If the object is pulled at constant speed, what is the coefficient of friction?

normal force would be N=mg f+sin

physics - bobpursley, Wednesday, October 13, 2010 at 12:06pm
You really need to get the book I suggested.

No, normal force is weight (mg) minius the upward lifting force from the rope 100sintheta
physics - devin, Wednesday, October 13, 2010 at 12:32pm
ok i wont have time this is due at 1

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