Gravitation

Class 9 · Science

17 questions6 easy7 medium4 hard

Sample Questions

Q1.What is the value of g on the Moon compared to Earth?

  • AAbout 1/6 of Earth's g
  • BSame as Earth
  • CAbout 6 times Earth's g
  • DZero

Q2.If a person weighs 500 N on Earth, what is their mass? (g = 10 m/s²)

  • A50 kg
  • B500 kg
  • C5000 kg
  • D5 kg

Q3.What is the SI unit of gravitational field strength?

  • AN/kg or m/s²
  • BN⋅m²/kg²
  • Ckg⋅m/s
  • DJ/kg

Q4.What is the relationship between mass and weight?

  • AW = mg
  • BW = m/g
  • CW = m + g
  • DW = g/m

Q5.What is free fall?

  • AMotion under gravity alone with no other forces
  • BFalling from a height
  • CMotion at constant velocity
  • DHorizontal motion

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Acceleration Due to GravityCentripetal ForceEarthEscape VelocityFree FallGravitationGravitational ConstantGravitational FieldGravitational ForceGravityInverse Square LawKepler's LawsMassMass and WeightMoon GravityNewton's LawsOrbital MotionSI UnitsUniversal GravitationWeightWeight and Mass

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