lo6 - Monday. Puzzlers: Which free-body diagram best fits...

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PH 1110, A Term 2007, Lecture 6 Kinematics (how things move) Dynamics (why things move) r, v, a →∑ F = m a Newton’s three laws 1. Inertia 2. F = m a 3. Action-reaction pairs Reminders Practice with free-body diagrams Setting up a problem
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• Reminders for this week and early next week 1. Lab 3 yesterday and today, Lab 4 Tuesday and Wednesday 2. HW5 is due today, HW6 on Monday, HW7 on Wednesday. 3. Summary HW2 is due in conference on Tuesday. 4. Exam 1 grades might appear on PH 1110 Main Lecture Site (myWPI) as soon as Sunday night. Exam 1 will be returned to you on Tuesday in conference. I’ll give you some feedback on the exam in lecture on
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Unformatted text preview: Monday. Puzzlers: Which free-body diagram best fits the situation? All views of the boxes are from the side. 1. 2. 3. 4. 5. A. Box being accelerated across ice (no friction) B. Box being accelerated across floor (friction) C. Box hanging from string in equilibrium D. Box being accelerated upwards in elevator E. Box held in place against a wall by you pushing laterally against the box Puzzler: A box rests on a rough inclined plane as shown. Which diagram best represents equilibrium? 1. 2. 3. 4. 5....
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This note was uploaded on 04/29/2008 for the course PH 1110 taught by Professor Kiel during the Fall '08 term at WPI.

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lo6 - Monday. Puzzlers: Which free-body diagram best fits...

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