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10 cards from this deck
Every mass attracts every other mass
F=GMmr2F = \frac{GMm}{r^2}F=r2GMm
6.67×10−116.67 \times 10^{-11}6.67×10−11 N kg−2^{-2}−2 m2^22
Always attractive
Inverse square law
g=Fmg = \frac{F}{m}g=mF (force per unit mass)
N kg−1^{-1}−1 or m s−2^{-2}−2
9.89.89.8 m s−2^{-2}−2 or 9.89.89.8 N kg−1^{-1}−1
Always point toward the mass
FA on B=−FB on AF_{A \text{ on } B} = -F_{B \text{ on } A}FA on B=−FB on A
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