According to the law of Universal Gravitation:
Correct answer: D. All of the above
- A. Every body in the universe attracts every other body
- B. The force of attraction is directly proportional to the product of their masses
- C. The force of attraction is inversely proportional to the square of their distance
- D. All of the above
Explanation
The correct option is D. F is always given by - GMm/r 2 . - sign shows that gravitational force is an attractive force. The formula shows that force is directly proportional to the product of masses and is inversely proportional to the square of their separation.
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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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265 free Gravitation MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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