Physics
The gravitational force of attraction between two particles is because of:
- their masses
- their shapes
- their sizes
- none of these
Laws of Motion
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Answer
their masses
Reason — Each mass particle of the universe attracts other mass particles. The force of attraction between two particles because of their masses, is called gravitational force of attraction
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Related Questions
In figure, a block of weight 15 N is hanging from a rigid support by a string. What force is exerted by —
(a) block on the string,
(b) string on the block.
Name them and show them in the diagram.
The gravitational force between two bodies is —
- always repulsive
- always attractive
- attractive only at large distances
- repulsive only at large distances.
The law of gravitation was given by :
- Thomas Alva Edison
- Alexander Graham Bell
- Sir Isaac Newton
- Albert Einstein
The forces of attraction acting between two bodies is :
- directly proportional to the product of their masses
- directly proportional to the square of the distance between them
- inversely proportional to the square of the distance between them
- both (a) and (c)