SIMPLE PENDULUM, Time period, Frequency and Dependency| SIMPLE HARMONIC MOTION | Physics 12| Lec 5

Описание: SIMPLE PENDULUM, Time period, Frequency and Dependency| SIMPLE HARMONIC MOTION | Physics 12| Lecture 5 | National Book Foundation | Federal Board
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In this lecture, we explore the concept of the Simple Pendulum as a special case of Simple Harmonic Motion (SHM), based on the Class 12 Physics syllabus (National Book Foundation).

You will learn how a simple pendulum consists of a heavy bob suspended by a light, inextensible string, and how its to-and-fro motion forms SHM when displaced through a small angle.

Topics Covered:
Derivation of Restoring Force: F = -mg sinθ
Small Angle Approximation: sinθ ≈ θ
Equation of SHM from Newton’s Second Law
Expression of Time Period: T = 2π√(l/g)
Frequency and Dependency on length (l) and gravity (g)
Independence from bob’s mass

📘 This video is ideal for Class 12 students preparing for board exams and following the NBF Physics textbook.
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