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Edited by Popes Long Arm:
10/23/2015 6:39:29 PM
26
Anybody wanna do my Physics homework for me?
I'll give you a cookie.
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3 RepliesEdited by Veldoodle: 10/23/2015 10:55:40 PMI get 18.85 for a and 26.32 for b. I'm going to double check Normal force will be shortened to just N Force of gravity = vertical component of normal force + vertical component of frictional force: 20=Ncos60 + .3Ncos30 Factor out N and you get N=20/(cos60+.3cos60), so 20/.7598=N The Horizontal force F can be solved by making the horizontal components equal, so Horizontal component of normal force = horizontal force of frictional force + horizontal force F Nsin60=.3Nsin30+F Substitute 26.32 for N and you get 22.80=3.95+F F=18.85
