PHY151 Review 12:00 noon, Thurs 4 th December 2014 SS-1069.
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Transcript of PHY151 Review 12:00 noon, Thurs 4 th December 2014 SS-1069.
![Page 1: PHY151 Review 12:00 noon, Thurs 4 th December 2014 SS-1069.](https://reader036.fdocuments.in/reader036/viewer/2022081516/56649c9a5503460f9495703d/html5/thumbnails/1.jpg)
PHY151 Review12:00 noon, Thurs 4th December 2014
SS-1069
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Program:12.00: General Remarks about studying, exams etc.
12:05: Cavalry charge through course topics
12:25: Interactive selection of examples/explanations etc.
12:30: pause (for 10 minutes)
– (go pet a puppy, etc.)
12:40: Improvisational Problems/explanations session
1:30: Finis
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General Principles
• Problem Solving, not formula-remembering.
• Read the exam instructions and know what’s on the
cheat-sheet.
• Mental cog-wheels: CAREFULLY READ the entire exam at
start.
• Choose which battles to fight and when to fight them.
• Time discipline, when studying and when writing.
• If you are in a hole, stop digging.
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How to Approach a Problem
• Read the question. Don’t answer what isn’t asked!
• If appropriate, draw a diagram
• define important variables (S.I. units).
• State what principle you’re going to use.
• Don’t jump too many steps; put in numbers at end.
• Clearly state final answer (a box would be nice).
• Checks: -does number make sense?
-do dimensions match?
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Topics:
• Calculus in action: Kinematics in 1, 2 and 3D & circular.
• Relativity
• Conservation Laws and their uses:-Momentum
-Energy
• Force and Newton’s Laws of Motion.
• Rotations and Rigid bodies
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• Calculus in action: Kinematics 3D
ALL FORMULAS COME FROM THE CHEAT SHEET!
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• Galilean Relativity (absolute t):
• Special Relativity (absolute c):
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• Conservation Laws and their uses:
Kinetic energy:
momentum:
• In special relativity:
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• Interactions and Forces.
work:
(impulse)(Force)
(potential energy)
(power)
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Kinetic Friction Static Friction
Spring force
• Some Forces:
Gravitational Potential Energy: Spring Potential Energy:
(near surface)
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• Rotational Kinematics
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• Rigid bodies: centers of mass, moments of inertia
Velocity:
Kinetic energy:
Force:
Newton’s 2nd Law:
Momentum:(sometimes)
•Linear-to-Rotational Dynamics Rosetta Stone