Question | Answer |
Newton's law of universal gravitation | The force of attraction between two masses is proportional to the product of their masses, and inversely proportional to the square of the distance between them |
Formula for Newton's law of universal gravitation | F = G(m1 x m2)/r² |
Acceleration due to gravity | The acceleration experienced by a body in free fall within the gravitational field of a massive body |
Air resistance | Provides an opposing force that reduces the acceleration due to gravity |
Value of acceleration due to gravity on Earth | 9.8 m/s² |
G = ? | Universal constant of gravitation |
Formula for gravity on a planet | g = GM/R² |
Size of gravitational force between two objects | Tiny, unless at least one of the masses involved is huge (i.e. planet, or star) |
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