Insight of Galileo
The state of rest and the state of uniform linear motion are equivalent
The state of rest and the state of uniform linear motion are equivalent
Aristotle told that objects fall at a speed proportional to their weight and inversely proportional to the density of the fluid they are immersed in
Later it was updated by Galileo
Every body continues to be in its state of rest or of uniform motion in a straight line unless compelled by some external force to act otherwise
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