According to Newton's law of universal gravitation, the force between two point masses depends on which two things?
AThe charges and the volume
BThe speeds and the density
CThe shapes and the colours
DThe masses and the distance
Answer & Solution
Correct answer: D. The masses and the distance
1. Gravitation is always an attractive non-contact force between objects that have mass.
2. The force depends only on the masses involved and the distance between them.
3. It is proportional to the product of the masses and inversely proportional to the square of the separation.
4. Charge belongs to the electrostatic force instead, so that option describes the wrong law.
_Source: Siyavula Physical Sciences Grade 11 (Everything Science, CC BY 4.0), Chapter 2: Newton's laws_
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