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15 cards from this deck
Product of masses; square of distance
F=Gm1m2d2F = G\frac{m_1m_2}{d^2}F=Gd2m1m2
6.7×10−116.7 \times 10^{-11}6.7×10−11 N m² kg⁻²
4 times smaller
9 times smaller
W=mgW = mgW=mg
Mass = amount of matter (kg); Weight = force (N)
≈ 9.8 m s⁻²
Force per unit mass
g=Fmg = \frac{F}{m}g=mF
N kg⁻¹ (newton per kilogram)
Min speed to escape celestial body's gravitational field
ve=2GMrv_e = \sqrt{\frac{2GM}{r}}ve=r2GM
≈ 11,200 m s⁻¹
No, independent of object's mass
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