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Class 11 Physics Practice Test: Gravitation - Universal Law of Gravitation
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Newton's law of universal gravitation is usually stated as that every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

Class 11 Physics Practice Test: Gravitation - Universal Law of Gravitation
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11 Questions

1. Gravitational force is the strongest fundamental force.
2. Which scientist introduced the universal law of gravitation?
3. What is the gravitational force experienced by an object of 10kg 200m away from an object weighing 1 ton?
4. For which of the following does the graph denote the variation of force of gravity “F” along a distance “r”?
5. The value of acceleration due to gravity of earth at the equator is less than that of the poles due to _____
6. Gravitational force is _____
7. What will be the value of acceleration due to gravity on the surface of the earth if the radius of the earth suddenly decreases to 60% of its present value, keeping the mass of the earth unchanged?
8. What is the force of gravity experienced by an object at the centre of the earth? (Assume that the earth is perfectly spherical)
9. The universal law of gravitation becomes more inapplicable as the size and distance between objects decreases.
10. The weight of an object can be zero but the mass of an object can never be zero.
11. For which of the following does the graph denote the variation of force of gravity “F” along a distance “r”?