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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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Keeps the Moon around the Earth. Causes tides.

  • Causes rainfall.
  • Keeps us on the Earth's surface.
  • Important Formulae
  • Formula
  • Use
  • (F=\frac{Gm_1m_2}{r^2}) Gravitational force
  • (W=mg)
  • Weight
  • Acceleration due to gravity
  • (g=9.8m/s^2)
  • (v=u+gt)
  • Velocity
  • (s=ut+\frac12gt^2)
  • Distance
  • Motion equation
  • (v^2=u^2+2gs)
  • Important Viva/Exam Questions
  • 1. Define gravitation.

2. State Newton's Universal Law of Gravitation.

3. What is acceleration due to gravity?

  • 4. Define mass and weight.
  • 5. Differentiate between mass and weight.
  • 6. What is free fall?
  • 7. What is escape velocity?
  • 8. Define an artificial satellite.

9. What are the uses of artificial satellites? 10. What is a geostationary satellite?

One-Mark Important Points g = 9.8 m/s²

  • G = 6.67 × 10-¹¹ Nm²/kg²
  • Weight = mg
  • Escape velocity = 11.2 km/s
  • SI unit of Mass = kg

SI unit of Weight = Newton (N)

  • SHRIYANSH ACADEMY RAHURI
  • DEMY RAHURI
  • MO-8793095050