How does a planet hold its orbit? Why does a top stay upright? What keeps a bridge from falling? Mechanics answers all of these — and in doing so, builds the foundation for every branch of physics that follows. From the first equation of motion to the conservation of angular momentum, this is where physical intuition is born.
"Mechanics is not the simplest branch of physics. It is the deepest. Every concept you master here — force, energy, momentum — will reappear in electromagnetism, thermodynamics, and quantum theory. The time you invest now compounds forever."
Mechanics is the oldest, most tested, and most universally applicable branch of physics. It is where Newton built the first complete scientific framework, where Lagrange and Hamilton reformulated it into the language that later gave birth to quantum mechanics, and where every engineering discipline begins.
A student who truly understands mechanics — not just the formulas, but the physical reasoning underneath — will find every subsequent domain easier. Electromagnetism becomes clearer when you already understand fields and potentials through gravitational analogies. Thermodynamics makes sense when energy conservation is instinctive. Quantum mechanics becomes less mysterious when you have felt the classical limit in your bones.
This is why we do not rush through mechanics. We build it properly, from the ground up.
"Give me a lever long enough and a fulcrum on which to place it, and I shall move the world."
Archimedes
Recommended Learning Path
1.Math Toolkit — Calculus and vectors (the tools of the trade)
2.Kinematics 1D & 2D — Describing linear and curved motion
3.Newtonian Dynamics — Forces, friction, and tension
4.Work, Energy & Power — The scalar approach to motion
5.Momentum & Collisions — Systems of particles
6.Rotational Mechanics — Rotation and angular momentum
7.Gravitation — Kepler, orbits, and the inverse-square law
8.SHM — Simple harmonic motion and oscillations
Start Here
The Mechanics curriculum
Ten chapters — from the mathematical toolkit through oscillations. Follow the recommended path, or enter any chapter directly. Each chapter is self-contained, equation-grounded, and cross-referenced with the rest of the Geeta-Physics library.
Projectile motion under gravity and the kinematics of uniform circular motion.
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Newton's Laws
Inertia, F = ma, Action-Reaction. Free Body Diagrams for complex systems of forces.
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Work & Energy
Conservative and non-conservative forces, potential energy wells, and the Conservation of Energy.
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Momentum & Collisions
Impulse, conservation of linear momentum, elastic and inelastic collisions, centre of mass.
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Rotational Mechanics
Torque, moment of inertia, angular momentum, and rolling motion of rigid bodies.
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Gravitation
Newton's law of gravitation, Kepler's laws, orbital mechanics, and gravitational potential energy.
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Simple Harmonic Motion
Springs, pendulums, energy in oscillations, and the mathematics of periodic motion.
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Track Alignment
Mechanics serves every path
Competitive · JEE / AP
Speed & Precision
Mechanics accounts for roughly 30% of JEE Physics. Every chapter here is mapped to exam patterns — MCQ speed-solving, multi-concept integer-type problems, and AP FRQ structure. Conceptual clarity eliminates guessing.
Engineering
Modelling Systems
Statics, dynamics, fluid behaviour, vibration analysis — every engineering discipline starts here. The problem-solving framework you build in these ten chapters transfers directly into circuits, structures, and control systems.
Quantum Foundations
The Classical Limit
You cannot understand quantum mechanics until you feel the classical limit. Hamiltonian and Lagrangian formulations — the languages of quantum theory — are generalisations of what you learn here. Mechanics is not left behind; it is deepened.
Every topic begins with the physical idea — stated in plain language, grounded in observation. You understand what is happening before you calculate anything.
II
Mathematics
The concept expressed in its natural language — equations, derivations, and the precise mathematical structure that makes physics a science.
III
Visualisation
Diagrams, graphs, and physical analogies that make the mathematics visible. The mind that can see the physics will never forget it.
IV
Problems
Carefully chosen problems that test understanding, not memory. Graded from direct application to multi-concept challenges.
V
Insight
The cross-Loka dimension. Where does this mechanics connect to a Vedic principle, a musical pattern, a philosophical question? This makes learning irreversible.
Begin
Every physicist started here.
The Math Toolkit is chapter one for a reason. If your calculus and vectors are solid, the rest of mechanics unfolds naturally. If they are shaky, everything downstream wobbles. Start here. Build properly.
All content is freely available. For a guided study plan, personalised doubt clearing, or deep-dive sessions — write directly.
