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Centre of Mass
⬤ COM COORDINATES
( — , — , — )
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
Partm(kg)x(m)mᵢxᵢ/M
💡 Newton's Insight
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🎬 MOTION COM: (—) axis:
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