For a long time you cant keep your arms raised up. After
sometime it begins to hurt. This is because of the gravitational pull of the
earth. This is also sad to be invisible
magnet
Even Sun and moon have
gravity. Every bodies in the universe has gravity . Only they are distinguished
by there amount of gravity
Did you know? : The moon revolves around the earth. This is
because of gravity of the earth and tides occurs in sea which is because of
moons gravity pull on earth
Example : The ball
point pen cant be used upwards to write
because of gravity which pulls the ink to the other side of the nib
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