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Classical Mechanics

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Classical Mechanics

Simple Harmonic Motion

Repetitive periodic motion where restoring force is directly proportional to displacement and acts toward the equilibrium position.

x(t) = A cos(ω t + φ), ω = √(k/m) m, rad/s
Classical Mechanics

Simple Machine

A basic mechanical device that changes the direction or magnitude of an applied force.

MA = F_out / F_in Dimensionless
Classical Mechanics

Static Equilibrium

The state of a rigid body where both net external force and net external torque are zero, keeping the body completely at rest.

∑ F = 0, ∑ τ = 0 N, N·m
Classical Mechanics

Stokes' Law

A mathematical law expressing viscous drag force experienced by small spherical particles moving at low speeds through a viscous fluid.

Fd = 6 π η r v N