Chapter 10-Gravitation

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16 Terms

1
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G is gravitational constant whose value is ________ .
6\.67 Ă— 10^-11 N m2 kg-2
2
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When you stand on loose sand , the force that is your body weight acts on an area that is equal to the ________ of your feet.
area
3
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________ is a necessary part of every velocity change.
Acceleration
4
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The motion of the moon around the earth is due to ________.
gravitation
5
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The pull of objects towards earth is the -______force.
gravitational
6
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The ________ on the moon is the force with which the moon attracts that object.
weight of an object
7
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________ is the measure of its inertia.
Mass of an object
8
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There is a(n) ________ involved whenever something is falling towards the earth.
acceleration
9
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Acceleration due to gravity is _______ of mass
independant
10
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Weight of an object is ______ of earth and moon
different
11
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Mass of an object is________ in earth and moon
same
12
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value of acceleration due to gravity on earth’s surface is________
9\.8m/s2
13
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value of g(acc due to gravity) is_______ at the poles than that at the equator
higher
14
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At the centre of the earth acc due to gravity is ________
zero
15
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weight of an object is the product of its _________ __and__ _______
mass and acc due to gravity(g)
16
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 ________holds the Earth’s atmosphere
gravity