Homework Help: physics

Posted by yasmeen on Sunday, June 10, 2012 at 6:40pm.

Its takes 45 N to make a 10.0 kg cart move at a constant speed. What force does it take to make the cart accelerate at 3.2 m/s^2 in the direction it is moving ?

physics - yasmeen, Sunday, June 10, 2012 at 7:11pm
I just Really need help when it comes to physics so i'd REALLY appreciate it if someone helped me
physics - Elena, Monday, June 11, 2012 at 4:21am
F1=F(fr).
ma=F2-F(fr)=F2-F1,
F2 =ma+F1 =10•3.2+45=77 N

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