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Title: Venus has a mass of 4.87 X 10 (24)kg * to the power of 23 and a radius of 6.05 X 10 (6) **to the ... Post by: angie19 on Nov 28, 2016 #11) Venus has a mass of 4.87 X 10 (24)kg * to the power of 23 and a radius of 6.05 X 10 (6) **to the power of 6. The gravitational field strength at the surface of Venus is _____ m/s(2) ***to the power of 2. ( record your answer to three digits)
Title: Venus has a mass of 4.87 X 10 (24)kg * to the power of 23 and a radius of 6.05 X 10 (6) **to the ... Post by: habiba on Dec 1, 2016 Gravitational field strength g = GM / R²
where G is the universal gravitational constant; M is the mass and R is the radius of the planet g = 6.67 ×10^-11 * 4.87 × 10^24 / (6.05×10^6)² g = 8.87 m/s² ------------------------------------ How? Why? Gravitational force (F) between two masses (M) and (m) is given by F = GMm / R² when M is a planet, and m is an object on the surface, we have a special name for (F). We call (F) the weight of (m). Weight = mg So: mg = GMm / R² (m) appears on both sides and cancels out, leaving: g = GM / R² |