ICSE Class 11 Physics | 6. Gravitation by Pavan | Learn Smarter
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6. Gravitation

Gravitation describes the force by which two masses attract each other, a fundamental concept governing planetary motion and the behavior of objects on Earth. Newton's Universal Law of Gravitation quantitatively expresses this interaction through a specific formula. Key phenomena like free fall, differences between mass and weight, and gravitational fields are explored, along with their implications in real-world applications such as satellite motion and structural design.

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Sections

  • 6

    Gravitation

    Gravitation is the universal force of attraction between masses, significantly influencing celestial and terrestrial phenomena.

    Learning Practice

  • 6.1

    Introduction To Gravitation

    Gravitation is the universal force that attracts all objects with mass towards one another.

    Learning Practice

  • 6.2

    Newton’s Universal Law Of Gravitation

    Newton's Universal Law of Gravitation states that every mass attracts every other mass with a force proportional to the product of their masses and inversely proportional to the square of the distance between them.

    Learning Practice

  • 6.3

    Importance Of Gravitation

    Gravitation is crucial for maintaining the order and structure of the cosmos, holding objects in orbit, sustaining atmospheric pressure, and affecting tides.

    Learning Practice

  • 6.4

    Free Fall

    Free fall refers to the motion of an object solely under the influence of gravity.

    Learning Practice

  • 6.5

    Motion During Free Fall

    This section discusses the equations of motion applicable to objects in free fall under the influence of gravity.

    Learning Practice

  • 6.6

    Mass And Weight

    This section discusses the concepts of mass and weight, detailing their definitions, units, and differences.

    Learning Practice

  • 6.7

    Difference Between Mass And Weight

    Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

    Learning Practice

  • 6.8

    Gravitational Field

    A gravitational field is the area around a mass where its gravitational force can influence other masses, with strength diminishing as distance from the mass increases.

    Learning Practice

  • 6.9

    Factors Affecting The Value Of G

    The value of gravitational acceleration (g) changes based on altitude, depth, and latitude.

    Learning Practice

  • 6.10

    Weightlessness

    Weightlessness is a state in which a body does not experience net gravitational force, often observed in free-falling contexts such as orbiting spacecraft.

    Learning Practice

References

p11-6.pdf

Class Notes

Memorization

What we have learnt

  • Gravitation is the force th...
  • Newton’s Universal Law of G...
  • The concepts of mass and we...

Final Test

Revision Tests