What is the importance of universal law of gravitation?
The universal law of gravitation proves that every object in the universe attracts every other object.
Why will a sheet of paper fall slower than one that is crumpled into a ball?
Why is the weight of an object on the moon $\frac {1}{6}^{th}$ its weight on the earth?
Why does a block of plastic released under water come up to the surface of water?
Gravitational force on the surface of the moon is only $\frac {1} {6}$ as strong as gravitational force on the earth. What is the weight in newtons of a $10\, kg$ object on the moon and on the earth?
In what direction does the buoyant force on an object immersed in a liquid act?
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