Every object in the universe attracts every other object with a force which is proportional to the
product of their masses and inversely proportional to the square of the distance
between them.
i) What happens to the force between two objects, if the mass of one object is doubled?
ii) The mass of a body is measured to be 12 kg on the earth. If it is taken to the moon, its
mass will be
(a)12 kg (b) 6 kg (c) 2 kg (d) 72 kg
iii) The weight of a body is 120 N on the earth. if it is taken to the moon, its weight will be
about
(a)120 N (b) 60 N (c) 20 N (d) 720 N
iv) The Universal constant of gravitation G has the unit
(a)N (b) m/s (c) (Nm2
) / Kg2
(d) J
v) A coin and a feather are dropped together in a vacuum.
(a) The coin will reach the ground first.
(b) The feather will reach the ground first.
(c) Both the bodies will reach the ground together.
(d) The feather will not fall down.
this is a science question
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