EP Chap5 - Chap 5 Force and motion 1 Note this is an...

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1 Chap 5 Force and motion 1 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 Draw free body diagrams and show clearly labeled forces. Show clearly your chosen x-y axes! P11. a) The forces on disc A are the tension in the cord above it, the tension T 1 and the weight force. Draw a free body diagram for m A and apply Newton’s 2 nd law. P21 . Draw a free body diagram of the firefighter. The pole exerts a force on the firefighter and gravity exerts a force on the firefighter. Apply Newton’s 2 nd law. For parts c) and d) think about Newton’s 3 rd law. P24. The forces on the box are the normal force, the horizontal applied force F, and the weight force. Draw a free body diagram and apply Newton’s 2 nd law. Hints-continued P43a). Find the acceleration from Newton’s 2 nd law by taking both m 1 + m 2 to be the system. Now take block 1 to be the system, draw a free body diagrams for it. Apply Newton’s 2 nd law to block 1. P45a) When you include all m’s in your system, the tensions T 1 and T 2 are internal forces that do not enter into Newton’s second law. P50
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EP Chap5 - Chap 5 Force and motion 1 Note this is an...

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