EP Chap12 - Hints problems Chap 12 Equilibrium and...

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1 Chap 12 Equilibrium and elasticity Note – this is an outline of the lecture, print this and take notes on it in lecture It is not the and take notes on it in lecture. It is not the complete lecture. You should attend lecture to get the complete notes Images taken from Halliday/Resnick/Walker, Fundamentals of Physics, 7 th Edition, John Wiley and Sons Inc., by permission. Hints –problems Do a good free-body diagram for every one of these problems! In some cases you may have to do a free body diagram for a point on a rope. (e.g. P10, P14). When you apply Newton’s 2 nd law you will often end up with two equations in two unknowns end up with two equations in two unknowns (sometimes >2). If you look at the problem carefully you can often take torque about a certain point (or sum forces along a certain direction) to obtain one equation in one unknown. This makes the math easier. Checkpoint 4 is an example of how to do this.
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This note was uploaded on 04/07/2008 for the course PHYS 213 taught by Professor Oshea during the Spring '08 term at Kansas State University.

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EP Chap12 - Hints problems Chap 12 Equilibrium and...

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