How do you solve hard problems with Newton's Laws?

posted Sep 14, 2018, 5:43 AM by Barbara Fortunato
M 9/17 lab
 
Today, after a brief quiz, we'll continue working on the problems from Chapter 4 on Newton's Laws:
 
Support: 8, 11, 26, 35, 78, 37
Required: 35, 36, 46, 54, 55, 66, 75
Enrichment: 56*, 58*, 64, 68, 71, 72
* problems require knowledge of Calculus

I will assess your understanding and answer your questions as I walk around the room.
 
Homework:  Finish attempting required problems.  If you can't work out the algebra on #55, don't worry about it.  Below is the Solution to #55 so that you can get some assistance setting it up.  (Click to enlarge)  Try to figure out what generalizations you can make for yourself about how to tackle a hard problem like this.  Make sure you are able to do all other required problems.  Look through the problems, and make sure you understand them enough to present/make a video next class.  
Ch 4 #55
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