Momentum Articles

Tag Archive for: momentum

Variable Mass Systems

How to Apply Newton’s Second Law to Variable Mass Systems

/
2 Comments
Introduction The applicability of Newton's second law in the oft-quoted "general form"  $$\begin{align}\frac{d\mathbf{P}}{dt}=\mathbf{F}_{\text{ext}}\end{align}$$…
MIT course corrections

Corrections to MIT Open Courseware: Systems of Varying Mass

/
1 Comment
Corrections to MIT Open Courseware 8-01sc classical mechanics, fall 2016 Applying Newton's Laws to systems of Varying Mass PDF Course Link My concerns…
Mass Generation

An Introduction to the Generation of Mass from Energy

/
28 Comments
Introduction This article is essentially an addition to the previous one on (mainly) inelastic collisions to include the particular case of inelastic…
impact errors

Frequently Made Errors in Mechanics: Momentum and Impacts

/
1 Comment
  An impact is an impulse (change of momentum) that involves arbitrarily large forces acting very briefly. These result in near-instantaneous…
mistakes moments

Frequently Made Errors: Mechanics — Moments and Torque

/
7 Comments
Entire List for Frequently Made Errors Series MechanicsForces Friction Moments Kinematics Hydrostatics Momentum and Impacts Springs Pseudo…
hand_to_hand_combat

The Physics of Hand-to-Hand Combat: Force, Speed & Leverage

/
0 Comments
Hand-to-hand combat, or close-quarters unarmed fighting, works because good technique applies basic physics — acceleration, force, momentum, and energy…