← Home
Centre of Mass
Centre of Mass
Total mass M—
Parts / bodies—
d (m₁→COM)—
d (m₂→COM)—
FORMULA
R⃗_cm = Σ(mᵢ r⃗ᵢ) / M
M = Σ mᵢ
The red dot is the COM. All external forces act through it, regardless of where mass exists.
Contributions
💡 Newton's Insight
Select a tab to begin.
🎬 MOTION
COM: (—)
axis: