The value of "g" at the surface of the earth_:
Correct answer: B. 9.8 m/s2
- A. 49.7 m/s2
- B. 9.8 m/s2
- C. 8.9 m/s2
- D. 47.3 m/s2
Explanation
Option B is correct. The value of g at the surface of the eath is 9.8m/s2
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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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