# L16 - Remember:ThisWeek...

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Remember: This Week Read Ch. 5 on circular mo8on: 5.1, 5.2, 5.6, 5.7, 5.±, 5.9. Lab 2 this week : “Accelera8on due to gravity”. Do Pre ‐Lab on‐line, print and bring to lab sesssion, then print Lab 2 and bring that to lab session. CAPA assignment #6 is due Friday evening at 10 PM, to be done on‐line. Mid‐Term II is coming up fast. Blank and Solu8ons versions of the exam from last Spring are on CULearn. L16 W 2/17/10 1 Physics 2010

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L16 W 2/17/10 Physics 2010 2 Dynamics: Newton’s Laws of Motion Newton’s Laws hold in an “Inertial Reference Frame”. I. “Law of Inertia”: Every object continues in its state of rest, or uniform motion (constant velocity in a straight line), as long as no net force acts on it. II. Acceleration is proportional to force and inversely proportional to mass : III.Whenever one object exerts a force on a second object, the second exerts an equal force in the opposite direction on the ±rst: F  net = ma F AB = F BA
L16 W 2/17/10 Physics 2010 3 Dynamics: Newton’s Laws of Motion Applications: (1) Sliding Blocks. (2) Contact Forces. (3) Suspended Bodies. (4) Friction.

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L16 W 2/17/10 Physics 2010 4 Friction Very useful – imagine walking without it.
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## This note was uploaded on 08/24/2010 for the course PHYS 2010 taught by Professor Dubson during the Spring '06 term at Colorado.

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L16 - Remember:ThisWeek...

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