[{"n": "Equations of motion", "u": "/e/classical-mechanics-and-dynamics/equations-of-motion/", "s": "Mathematical laws describing motion as a function of time."}, {"n": "Frame of reference", "u": "/e/classical-mechanics-and-dynamics/frame-of-reference/", "s": "Abstract coordinate system for describing physical space and motion."}, {"n": "Friction", "u": "/e/classical-mechanics-and-dynamics/friction/", "s": "Friction resists motion and converts mechanical energy into heat."}, {"n": "Hooke's law", "u": "/e/classical-mechanics-and-dynamics/hooke-s-law/", "s": "Hooke's law describes linear elasticity in springs and materials."}, {"n": "Impulse (physics)", "u": "/e/classical-mechanics-and-dynamics/impulse-physics/", "s": "Vector quantity equal to the integral of force over time."}, {"n": "Inertia", "u": "/e/classical-mechanics-and-dynamics/inertia/", "s": "Objects resist changes to their state of motion."}, {"n": "Kinematics", "u": "/e/classical-mechanics-and-dynamics/kinematics/", "s": "Subfield of physics and geometry describing motion without forces."}, {"n": "Kinetic energy", "u": "/e/classical-mechanics-and-dynamics/kinetic-energy/", "s": "Energy of motion, quantified as ½mv² in classical mechanics."}, {"n": "Mass", "u": "/e/classical-mechanics-and-dynamics/mass/", "s": "Mass measures inertia and gravitational attraction."}, {"n": "Mechanics", "u": "/e/classical-mechanics-and-dynamics/mechanics/", "s": "Physics of force, matter, and motion among objects."}, {"n": "Motion", "u": "/e/classical-mechanics-and-dynamics/motion/", "s": "Motion is the continuous change of position in space."}, {"n": "Newton's laws of motion", "u": "/e/classical-mechanics-and-dynamics/newton-s-laws-of-motion/", "s": "Three laws describing motion and force relationships."}, {"n": "Newton's law of universal gravitation", "u": "/e/classical-mechanics-and-dynamics/newton-s-law-of-universal-gravitation/", "s": "Gravity as a universal force between all masses."}, {"n": "Potential energy", "u": "/e/classical-mechanics-and-dynamics/potential-energy/", "s": "Energy stored in an object's position or configuration."}, {"n": "Power (physics)", "u": "/e/classical-mechanics-and-dynamics/power-physics/", "s": "Power is the rate of energy transfer per unit time."}, {"n": "Rotation", "u": "/e/classical-mechanics-and-dynamics/rotation/", "s": "Rotational motion leaves at least one point unchanged."}, {"n": "Simple harmonic motion", "u": "/e/classical-mechanics-and-dynamics/simple-harmonic-motion/", "s": "Periodic motion with restoring force proportional to displacement."}, {"n": "Speed", "u": "/e/classical-mechanics-and-dynamics/speed/", "s": "Speed is the rate of distance change over time."}, {"n": "Statics", "u": "/e/classical-mechanics-and-dynamics/statics/", "s": "Branch of mechanics studying forces on non-accelerating systems."}, {"n": "Stiffness", "u": "/e/classical-mechanics-and-dynamics/stiffness/", "s": "Measure of an object's resistance to deformation under force."}, {"n": "Strength of materials", "u": "/e/classical-mechanics-and-dynamics/strength-of-materials/", "s": "Study of material response to loads and failure modes."}, {"n": "Stress (mechanics)", "u": "/e/classical-mechanics-and-dynamics/stress-mechanics/", "s": "Physical quantity describing internal forces during material deformation."}, {"n": "Fatigue (material)", "u": "/e/classical-mechanics-and-dynamics/fatigue-material/", "s": "Cyclic loading causes crack growth and eventual fracture."}, {"n": "Plasticity (physics)", "u": "/e/classical-mechanics-and-dynamics/plasticity-physics/", "s": "Permanent deformation of solids under applied forces."}, {"n": "Lift (force)", "u": "/e/classical-mechanics-and-dynamics/lift-force/", "s": "Lift is the perpendicular force from fluid flow on an object."}, {"n": "Reynolds number", "u": "/e/classical-mechanics-and-dynamics/reynolds-number/", "s": "Dimensionless ratio predicting laminar or turbulent flow."}, {"n": "Fluid dynamics", "u": "/e/classical-mechanics-and-dynamics/fluid-dynamics/", "s": "Study of fluid flow, including liquids and gases."}, {"n": "Fluid mechanics", "u": "/e/classical-mechanics-and-dynamics/fluid-mechanics/", "s": "Branch of physics studying fluids and forces on them."}, {"n": "Navier–Stokes equations", "u": "/e/classical-mechanics-and-dynamics/navier-stokes-equations/", "s": "Equations describing viscous fluid motion, with unsolved smoothness problem."}, {"n": "Solid mechanics", "u": "/e/classical-mechanics-and-dynamics/solid-mechanics/", "s": "Branch of continuum mechanics studying solid material behavior under forces."}, {"n": "Harmonic oscillator", "u": "/e/classical-mechanics-and-dynamics/harmonic-oscillator/", "s": "A system with restoring force proportional to displacement."}, {"n": "Oscillation", "u": "/e/classical-mechanics-and-dynamics/oscillation/", "s": "Repetitive variation about a central value across many scientific fields."}, {"n": "Moment of inertia", "u": "/e/classical-mechanics-and-dynamics/moment-of-inertia/", "s": "Measure of rotational inertia, analogous to mass in linear motion."}, {"n": "Speed of sound", "u": "/e/classical-mechanics-and-dynamics/speed-of-sound/", "s": "Speed at which sound waves travel through a medium."}, {"n": "Sound", "u": "/e/classical-mechanics-and-dynamics/sound/", "s": "Mechanical wave propagating through an elastic medium."}]