Mechanics Flashcards
Projectile motion position

Velocity difference

Centripital acceleration in uniform circular motion
a = v2 / r
Rotational kinetic energy

Spring potential energy
1/2 kx2
Change in potential energy in a conservative field

Force of a potential
F = -∇U
Work force relationship

Angular velocity
v = Rω
Angular momentum
L = r x p
= Iω
Torque
T = r x F
= dL / dt
Coriolis force

Centrifugal force

Moment of inertia

Parallel axis theorem
I = ICM + Mr2
Center of mass

Lagrangian

Euler-Lagrange equation

Conjugate momentum

Hamiltonian

Hamilton’s equations

Orbital Lagrangian

Orbital angular momentum

Orbital effective potential

Reduced mass

Hooke’s law
F = ma = -kx
Angular frequency

Satisfaction of Hooke’s Law

Normal modes prescription

Hyperbolic orbit
E > 0
Parabolic orbit
E = 0
Elliptical orbit
E < 0
Equation of motion for an oscillator with damping, using b

Equation of motion for an oscillator with damping and a driver

Pendulum natural frequency
ω2 = g / L
Natural frequency for extended object of mass m swinging on a massles rod of length R

Bernoulli’s principle

Underdamped

Critically damped

Overdamped

Serial spring constant

Amplitude of a driven undamped oscillator

Damping parameter

Equation of motion for an oscillator with damping, using β

Velocity in polar coordinates

Velocity in cylindrical coordinates

Velocity in spherical coordinates

Buoyant force
F = ρVg
Kepler’s third law
T=ka3/2
where a is the semimajor axis
Velocity in a circular orbit
