In physics you learned that force between two masses is given by Newtons law of gravitation: Gm, m2
In physics you learned that force between two masses is given by Newtons law of gravitation: Gm, m2
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Transcribed Image Text:In physics you learned that force between
two masses is given by Newtons law of
gravitation:
Gm, m2
F =
where m represent the masses, ris
separation distance between them, and Gis
universal gravitational constant. Similarly,
force between two charges q1 and q2 can be
written as,
F = k
9192
Here, k is a constant. This is known as
Coulomb's law.
Among the given choices which represents
main difference between the gravitational
force and coulomb's force (or electric force)?
O gravitational force can be attractive and
repulsive but electric force is always attractive
O gravitational force is always repulsive but
electric force is always attractive
gravitational force is always attractive but
electric force is always repulsive
O gravitational force is always attractive but
electric force can be attractive or repulsive
O gravitational force is inverse square law in
distance but electric force is not
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