is gravitational force short range or long range force
Answers
Answer:
Gravity has a long range when large masses are involved.
Explanation:
The strong and weak nuclear forces are very short ranged. They operate at quark level and have no effect beyond adjacent nucleons in an atomic nucleus.
The electromagnetic force has an infinite range. It is also very strong. The force
F between two charges q1and q2 a distance r apart is:
F=14πε0q1q2r2
Where the Coulomb constant
ke=14πε0=c2×107
The Coulomb constant is huge, but for the electromagnetic force to be effective at astronomical distances enormous electrical charges would be required. These don't exist in nature.
Gravity also has infinite range. It is also relativity weak because the gravitational constant G=6.67408×10−11m3kg−1s−2
is very small. Gravity is effective at astronomical distances because the masses involved are huge.
Planets, stars and galaxies have large masses. Newton's equation for the attraction of two masses a distance of
r apart is:
F=GM1M2r2
So, although the value of G is small and the value of r is large, if the two masses are large enough the force can be considerable.
Gravity is not actually a force. It is a consequence of spacetime being curved by mass. It is hard to curve spacetime. However, masses on an astronomical scale can do this.
Explanation:
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Answer:
Long ranged force
Explanation:
gravitational force is week but long ranged force.
1‐it is always attractive.
2‐ it acts between any two pieces of matter