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Classical Mechanics

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Classical Mechanics

Radius of Gyration

The radial distance from a rotation axis at which total mass could be concentrated without altering the moment of inertia.

k = √(I / m) m
Classical Mechanics

Range

The total horizontal distance traveled by a projectile from launch to landing at the same vertical height.

R = (v0² sin 2θ) / g m
Classical Mechanics

Restoring Force

A force that acts to bring a body back toward its stable equilibrium position whenever it is displaced.

F = -k x N
Classical Mechanics

Reynolds Number

A dimensionless quantity in fluid mechanics predicting flow patterns, equal to ratio of inertial forces to viscous forces.

Re = (ρ v L) / η Dimensionless
Classical Mechanics

Rotational Kinetic Energy

The kinetic energy possessed by a body due to its rotation about an axis.

KE_rot = ½ I ω² J