SPH 201 INTRODUCTION MECHANICS-II RECAP: Mechanics I = Study of motion ... Orbital (circular) Motion...
Transcript of SPH 201 INTRODUCTION MECHANICS-II RECAP: Mechanics I = Study of motion ... Orbital (circular) Motion...
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SPH 201
MECHANICS-II Instructor: Nyongesa, F. Ph.D
Lecture hrs (CBPS): Mon 09 - 10:00am Thur 12 - 2:00pm
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INTRODUCTION
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INTRODUCTION
RECAP: Mechanics I = Study of motion of physical objects when subjected to external forces.
Described by Newton’s 3 laws of motion
(i) Law of Inertia
(ii) F = ma
(iii) Action = Reaction
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NB
Newton’s Laws are valid iff
in inertial reference frame (IRF) where a = const
If speed of object, v c.
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Limitations of Newtonian Mechanics
Breaks down & is superseded by Relativistic Mechanics
(i) As v c,
(ii) In accelerated RF (where a const)
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What is the speed of light as measured by A ?
A
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Course Objectives
Study Newton’s laws of motion,
as applicable to Oscillatory motion
Newton’s law of gravitation, its applications & limitations
Introduce Relativistic Mechanics to describe motion where Newtonian Mechanics fails.
2
2
dt
xdF
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Course Overview Lecture 1: Oscillatory motion
SHO: Differential Eqn of Newton’s 2ND Law and its applications
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Damped Oscillators & Applications
fluid
FR
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Forced Oscillations: Effects & Applications of Resonance
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Lecture 2: Gravitation
Orbital (circular) Motion of Solar System
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Reinassence Astronomy:
From Aristotle to Newtonian
Gravitation
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Lecture 3: Newton’s Law of Gravitation
Law of Gravitation
Earth’s Gravitation and applications
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Lecture 4: Gravitational potential & Satellites
Satellites & their applications
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Lecture 5: Relativistic Effects
Limitations of Newton’s law of gravity
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General Relativity: Basis, Postulates,
Predictions & applications of GR
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Lecture 6: Newtonian Relativity
Galilean (Newtonian) Relativity
Limitations of Newtonian Mechanics
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Lecture 7: Intro to Special Relativity
Postulates and predictions of SR
As v c, F ma
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E = mc2
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Prerequisites
SPH 101
Calculus I, II & ODE
Good English Grammar
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References
RESNICK R., HALLIDAY D., Physics II.
OHANIAN H. C., Principles of Physics.
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Course Ethics
1- Attend lecturers (2/3)
2- Do all problem sets
Study with someone else
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TUTORIALS
Submit soln to ANY ONE PROBLEM from each set – As due
Minimum = 5 PROBLEMS
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