Question:
If there were a smaller gravitational effect which of the following forces do you think would alter in some respect?
If there were a smaller gravitational effect which of the following forces do you think would alter in some respect?
Updated On: Jul 6, 2022
- Viscous forces
- Archimedes uplift
- Electrostatic
- Magnetic
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The Correct Option is B
Solution and Explanation
The viscous force, weak nuclear force and electrostatic force do not depend upon the acceleration due to gravity. The buoyancy or (Archimedes uplift) which depends upon g, will be affected.
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Concepts Used:
Gravitation
In mechanics, the universal force of attraction acting between all matter is known as Gravity, also called gravitation, . It is the weakest known force in nature.
Newton’s Law of Gravitation
According to Newton’s law of gravitation, “Every particle in the universe attracts every other particle with a force whose magnitude is,
- F ∝ (M1M2) . . . . (1)
- (F ∝ 1/r2) . . . . (2)
On combining equations (1) and (2) we get,
F ∝ M1M2/r2
F = G × [M1M2]/r2 . . . . (7)
Or, f(r) = GM1M2/r2
The dimension formula of G is [M-1L3T-2].