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Flashcards for JEE Physics - Gravitation Class 11

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Gravitation
Flash Cards
Page 2


Gravitation
Flash Cards
Newton’s Law of gravitation (continued)
(a) Every two objects in the universe attract each other. This 
force of attraction is called 'Gravitational force'.
Page 3


Gravitation
Flash Cards
Newton’s Law of gravitation (continued)
(a) Every two objects in the universe attract each other. This 
force of attraction is called 'Gravitational force'.
Newton’s Law of gravitation (continued)
(b) It acts along the line joining the two particles.
F ? m
1
m
2
and
r = distance between m
1
& m
2
or
Page 4


Gravitation
Flash Cards
Newton’s Law of gravitation (continued)
(a) Every two objects in the universe attract each other. This 
force of attraction is called 'Gravitational force'.
Newton’s Law of gravitation (continued)
(b) It acts along the line joining the two particles.
F ? m
1
m
2
and
r = distance between m
1
& m
2
or
Newton’s Law of gravitation (continued)
(c) G is the constant of proportionality which is called 
'Newton's gravitation constant.
G = 6.67 × 10
–11
Nm
2
/ kg
2
G = 6.67 × 10
–8
dyne cm
2
/g
2
Page 5


Gravitation
Flash Cards
Newton’s Law of gravitation (continued)
(a) Every two objects in the universe attract each other. This 
force of attraction is called 'Gravitational force'.
Newton’s Law of gravitation (continued)
(b) It acts along the line joining the two particles.
F ? m
1
m
2
and
r = distance between m
1
& m
2
or
Newton’s Law of gravitation (continued)
(c) G is the constant of proportionality which is called 
'Newton's gravitation constant.
G = 6.67 × 10
–11
Nm
2
/ kg
2
G = 6.67 × 10
–8
dyne cm
2
/g
2
Newton’s Law of gravitation (continued)
(d) In vector form-
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FAQs on Flashcards for JEE Physics - Gravitation Class 11

1. What is gravitation?
Ans. Gravitation is the force of attraction that exists between any two objects with mass. It is responsible for the phenomenon of weight and is described by Newton's law of universal gravitation.
2. How does the force of gravity affect objects?
Ans. The force of gravity attracts objects towards each other. It gives objects weight and creates a downward force that pulls them towards the center of the Earth. The strength of the force depends on the mass of the objects and the distance between them.
3. What is Newton's law of universal gravitation?
Ans. Newton's law of universal gravitation states that every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
4. How does the distance between two objects affect the force of gravity?
Ans. The force of gravity is inversely proportional to the square of the distance between two objects. This means that as the distance between two objects increases, the force of gravity between them decreases. Similarly, as the distance decreases, the force of gravity increases.
5. What are some examples of gravitational forces in everyday life?
Ans. Some examples of gravitational forces in everyday life include objects falling to the ground when released, the Earth orbiting around the Sun, and the Moon causing tides in the ocean. These are all manifestations of the force of gravity acting between objects with mass.
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