Recent content by needhelp12345

I don't understand why the angle next to F1 is there, or why there is even an F1. What is it exactly? I can't attempt to find the overall force when I don't know what to do with that. so, I think f1=253.6 N For M2, is it (.25)(sin25)(1500)=ma m1 is (9.81)(-500)=ma and I combine? or...

Homework Statement http://i50.tinypic.com/r8gfba.png ^That is the image I got in class m1=500kg m2=1500kg m3=10kg f1=600n angle near f1=25 degrees coefficient of kinetic friction=.25 Find effective weight of m3 in side of elevator Find force required to keep the elevator at...