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MY NOTES

By shriyansh enterprises

Go to stand
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https://covver.com/magazine/bolhedada6193/10 th science first chapter
Published
Jul 11, 2026
Pages
26
Language
English

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Answer:

A geostationary satellite revolves around the Earth in 24 hours in the same direction as the Earth's rotation and appears stationary over one point on the Earth's surface.

15. State any four applications of gravitation.

Answer:

1. Keeps planets in their orbits around the Sun.

2. Keeps the Moon in orbit around the Earth.

3. Causes tides in oceans.

4. Keeps objects firmly on the Earth's surface.

ADKRAHURI

16. Why does an object fall towards the Earth?

Answer:

An object falls towards the Earth because the Earth exerts a gravitational force on it.

17. Why is the weight of an object less on the Moon than on the Earth?

Answer:

The Moon's gravitational force is much weaker than the Earth's. Therefore, the weight of an object on the Moon is about one-sixth of its weight on the Earth.

18. State the SI units of the following:

  • Quantity SI Unit
  • Force Newton (N)
  • SHRIYANSH ACADEMY RAHURI
  • MO-8793095050