GRAVITATION
Authored by AMRITA CHATTERJEE
Physics
9th Grade
NGSS covered
Used 35+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Two objects of different masses falling freely near the surface of the moon would
(a) have same velocities at any instant
(b) have different acceleration
(c) experience forces of same magnitude
(d) undergo a change in their inertia
Tags
NGSS.HS-PS2-4
NGSS.HS-PS2-1
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The value of acceleration due to gravity
(a) is same on equator and poles
(b) is least on poles
(c) is least on equator
(d) decreases from pole to equator
Tags
NGSS.HS-PS2-4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become
F/8
F/4
F/2
4F
Tags
NGSS.HS-PS2-4
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A boy is whirling a stone tied to a string in a horizontal circular path. If the string breaks, the stone
(a) will continue to move in the circular path
(b) will move along a straight line towards the center of the circular path
(c) will move along a straight line tangential to the circular path
(d) will move along a straight line perpendicular to the circular path away from the boy
Tags
NGSS.HS-PS2-2
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In the relation F = GM m/d2, the quantity G
depends on the value of G at the place of observation
is used only when the Earth is one of the two masses
is greatest at the surface of the Earth
is universal constant of nature
Tags
NGSS.HS-PS2-4
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Law of gravitation gives the gravitational force between
(a) the Earth and a point mass only
(b) the Earth and Sun only
(c) any two bodies having some mass
(d) two charged bodies only
Tags
NGSS.HS-PS2-4
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The value of quantity G in the law of gravitation
(a) depends on mass of Earth only
(b) depends on radius of Earth only
(c) depends on both mass and radius of Earth
(d) is independent of mass and radius of the Earth
Tags
NGSS.HS-PS2-4
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