UNIT:3
Book: Chapter 4, 5
Description:Numerically very important Topic.
ü Work
in terms of F and d:
Read Article 4.1, 4.2, 4.3, Practice various formulae and
cases of work. Definitions of work
are important.
ü Kinetic
Energy:
Read Article Energy
principle on page 84, various forms of KE, Practice different MCQs.
Relation of K.E with momentum & angular momentum.
ü Potential
Energy:
Apply formulae P.E.=
mgh in various cases, Read article 4.5 till absolute potential energy.
ü Inter-conversion
of KE and PE:
Numerically important
topic, Read article 4.6, practice various cases & formulae.
ü Power
in terms of work done & F.v:
Numerically important topic, Read article 4.4.
Example 4.2 is important.
ü IMPORTANT
TOPICS:
Work done, Inter-conversion of KE and PE, Power
Chapter:5
ü Angular
Motion, Displacement, and Angular Velocity: Read article 5.1, 5.2, 5.3, 5.4, Memorize important lines
& formulae.
Equation of angular motion is also included. Must practice
MCQs regarding equation, consult notes.
ü Centripetal
force and Centripetal acceleration:
(v.v.imp article)
Read article 5.5, memorize different cases formulae of
centripetal force and acceleration.
Must practice relation of centripetal force with KE and
momentum, Example 5.2 is important
ü Geostationary
orbits:
Read article 5.15, Memorize orbital radius formulae,
Practice different variation of formula.
Relation of radius with time period is important, Also read
articles 5.14 and 5.16. Numerical problem 5.9 is important.
ü Important
Topics:
Equations of Angular
motion, Centripetal Force, Orbital radius
ü Important
Examples: 4.1, 4.2, 4.3
ü Important
Numerical: 4.1, 4.4
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