Numerical value of "G" can also be estimated by knowing the_:
Correct answer: B. Mass of earth
- A. Circular motion
- B. Mass of earth
- C. Average density of the air
- D. Weight of the earth
Explanation
Option B is correct as putting the values of the mass of earth m, the gravitational force F, and the distance from the center of the earth R, we can accurately calculate the value of the Gravitational constant (6.67 x 10-11 Nm2/Kg2)
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About Gravitation
Newton’s law of universal gravitation relates the force between masses to their masses and separation, while gravitational field strength explains weight and orbital motion. The topic covers satellite velocity and period, escape ideas, weightlessness in free fall, and artificial gravity, which differs from ordinary gravitational attraction.
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