Laws of Motion

5 Laws of motion Class 11 Physics


Syllabus Summary: Intuitive concept of force, Inertia, Newton's first law of motion; momentum and Newton's second law of motion; impulse; Newton's third law of motion. Law of conservation of linear momentum and its applications.
Equilibrium of concurrent forces, Static and kinetic friction, laws of friction, rolling friction, lubrication.
Dynamics of uniform circular motion: Centripetal force, examples of circular motion (vehicle on a level circular road, vehicle on a banked road).

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Lecture - 1

00:00:20 Dynamics of Motion

00:00:47 Basic meaning of Force

00:05:33 Aristotle’s Fallacy

00:07:03 Aristotelian Law of Motion

00:07:27 Galileo’s Law of Inertia

00:09:30 Inertia

00:11:24 Law of Inertia

00:12:40 Newtonian Mechanics (Newton’s Laws of Motion)

00:16:34 Newton’s First Law of Motion

00:20:09 Definition of Force under Newtonian Mechanics

00:22:54 Definition of Inertia under Newtonian Mechanics

00:26:25 Inertia of Rest

00:28:40 Inertia of Motion

00:29:46 Inertial of Direction

00:30:50 Inertial and Non inertial frame of reference

00:36:12 Free Particle

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Lecture - 2

  • 00:00:10 Newton’s Second Law of Motion

    00:00:56 Momentum (Linear Momentum)

    00:09:07 Mathematical relation between Force, acceleration and mass

    00:15:12 Newton’s Second law in components form

    00:18:12 Impulse and derivation of impulsive force through second law

    00:26:25 Proof of First Law of motion using Second Law of motion

    00:28:25 Inertial Mass

    00:29:35 Relation between mass and acceleration

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