Recent content by cmwilli

What does LHS mean?

[PLAIN]http://img207.imageshack.us/img207/37/capturebg.jpg a=v^2/r v=2pir/T f=ma So I already have the answers to all the questions. The problem I am having is I don't understand why the centripetal force is not equal to the weight of the person. If it isn't the weight what...

Homework Statement [PLAIN]http://img28.imageshack.us/img28/7341/capturehzm.jpg Homework Equations Fg=mg Ft=ma Ftx=Ftsin(22) Fty=Ftcos(22) Fg-Fty=? I realize this is probably required but I don't know where. The Attempt at a Solution I believe the acceleration the question is...

Is the correct answer then 13.14268N?

The homework systems seems to disagree. Call the blocks from left to right A,B,C The way the teacher explained it in class, the force of C acting on B is the same as the force of B acting on C. But the way I calculated it Fc=4a but Fb=8a

Homework Statement [PLAIN]http://img834.imageshack.us/img834/6920/captureqt.jpg Homework Equations f=ma The Attempt at a Solution Fsum=Fl + Fr=(m1+m2+m3)a 26+-8=(2+8+4)a a=18/14=1.28571 f=ma f=4(1.28571)=5.14268N I know this is incorrect. The force of 4kg block pushes...