Unit4Summary

Unit4Summary - UNIT 4 APPLICATIONS OF MECHANICS SUMMARY...

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Unformatted text preview: UNIT 4 APPLICATIONS OF MECHANICS SUMMARY Major Topics: Rotational kinetic energy and rotational inertia Torque Work done by torque Equilibrium revisited Equilibrium in the human body Rotational form of Newton's second law The motion of rolling objects Angular momentum Vector nature of angular momentum Elastic deformations of solids Hooke’s law for tensile and compressive forces Beyond Hooke's law Shear and volume deformations Simple harmonic motion The period and frequency for SHM Graphical analysis of SHM The pendulum Damped oscillations Forced oscillations and resonance Assigned Reading: GRR, Chapters 8, 10 Questions and Problems: Problems in Chapters 8 & 10 as assigned Supplementary Questions on Rotation Multiple Choice Questions Self-Evaluation: Sample Test Self-Demonstrations: 1. The Elusive Spool 2. Angular Momentum on a Rotating Platform 3. Objects Rolling Down an Inclined Plane Major laboratory Activity: Conservation of Energy - Oscillating Spring and Pendula Videos: 4-1 Static Equilibrium 4—2 Conservation of Angular Momentum 4-3 Simple Harmonic Motion After Completing Unit 4, you should be in command of the concepts, relationships, definitions, calculations as set forth in the “Master the Concepts” sections of Chapters 8 and 10, GRR. 4-1 4—2 ACTIVITIES Read GRR, sec. 8.1 Problems: 8.1, 8.5, 8.9 Read GRR, sec. 8.2—8.3 Problems: 8.13, 8.17, 8.21, 8.23, 8.25 Watch Video 4-1 (time 29 min.) Read GRR, sec. 8.4 - 8.5 Problems: 8.29, 8.31, 8.33, 8.37, 8.41, 8.43 Read GRR, sec. 8.6 - 8.7 Problems: 8.49, 8.52, 8.53, 8.55, 8.57, 8.61, 8.65. 8.67 Watch Video 42 (time 36 min.) Read GRR, sec. 8.8 - 8.9 and Summary Problems: 8.73, 8.75, 8.79, 8.81, 8.83, 8.84, 8.88 Self-Demonstration #1: Read directions in Study Guide, p. 4-8 Self-Demonstration #2 Read directions and explanation in Study Guide, pp. 4-9 to 4-12 Answer Supplementary Questions 1-3, Study Guide, p. 4—13 Self-Demonstration #3 Study Guide, p. 4—13 Conceptual questions 8.2, 8.5, 8.7, 8.8, 8.11 Multiple choice questions 8.1, 8.4, 8.6, 8.7, 8.8 Problems: 8.111, 8.113, 8.114, 8.115 Read GRR, sec. 10.1 - 10.2 Problems: 10.1, 10.3, 10.5, 10.79 Read GRR, sec. 10.3 - 10.4 Problems: 10.9, 10.11, 10.17, 10.21, 10.25 7fl7f06 SUBJECT MATTER Rotational kinetic energy and rotational inertia Torque and work done by torque Static equilibrium Equilibrium Rotational form of Newton's second law; motion of rolling objects Conservation of angular momentum Angular momentum; vector nature of angular momentum The Elusive Spool Momentum demonstrated on a rotating platform Conservation of angular momentum Objects rolling down an inclined plane Review Elastic deformations; Hooke’s law for tensile and compressive forces Stesses and strains; shear and volume deformation A C TIV [TIES (c0111.) Read GRR, sec. 10.5 - 10.7 Watch Video 4.3 on SHM (42 min.) Problems: 10.29, 10.33, 10.37, 10.38, 10.41, 10.43, 10.47, 10.49, 10.53 Read GRR, sec. 10.8 - 10.10 and Summary Problems: 10.57, 10.61, 10.65, 10.68, 10.69 Perform Laboratory Experiment Study Guide, pp. 4-4 to 4-8 (directions and notes) Conceptual questions (GRR) 10.6, 10.7 Multiple choice questions (GRR) 10.1, 10.2, 10.11, 10.16, 10.20 Problems: 10.73, 10.81,10.83,10.85, 10.89, 10.97 Do Sample Test, SG, pp. 4-14 to 4—17 Get your notebook approved by a TA Take the Unit 4 Test in the Testing Center SUBJECT MATTER Simple Harmonic Motion (SHM); period and frequency of SHM; graphical analysis of SHM The pendulum; damped & forcod oscillations; resonance Oscillating Spring and Pendulum Review Check for lab and self-demo write-ups and solutions to assigned problems Formula sheet at end of this unit will be supplied with your test ...
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This note was uploaded on 09/08/2009 for the course PHYS 1101 taught by Professor Richardson, b during the Fall '08 term at Cornell.

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Unit4Summary - UNIT 4 APPLICATIONS OF MECHANICS SUMMARY...

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