Centres of Mass and Stability (AQA A-Level Further Maths): Quizzes

$F \times x$ (perp. dist.)

Newton metres (Nm)

Anticlockwise positive, clockwise negative

Perpendicular distance to line of action

Two equal opposite forces, not same line

Same value regardless of reference point

Zero moment

Sum of all moments equals zero

$Fl\sin\theta$

Eliminates unknowns from moment equation