Equilibrium in 1D (Edexcel A-Level Mathematics): Flashcards

Zero

$\sum F=0$

Equal in magnitude, opposite in direction

At rest or moving with constant velocity

$F_{\text{right}} = F_{\text{left}}$

$W = N$

Free Body Diagram

The same line (horizontal or vertical)

$20$ N to the right

Accelerate

Remains in equilibrium

Accelerates in direction of net force

Stationary, constant velocity, or accelerate