NEET Physics: Gravitation — MCQ Test 6

Q6. A body weighs \( 343 \, \text{N} \) on Earth’s surface. What is its weight at a height \( h = R_E/5 \)? (\( g = 9.8 \, \text{m/s}^2 \))

Q7. Which of the following statements is incorrect about gravitational potential energy?

Q8. Three \( 6 \, \text{kg} \) masses form an equilateral triangle of side \( 8 \, \text{m} \). What is the potential energy of the system? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

Q9. Minimum speed to escape from \( 2 R_E \) from Earth’s center is? (\( g = 9.8 \, \text{m/s}^2, R_E = 6.4 \times 10^6 \, \text{m} \))

Q10. Three masses of \( 10 \, \text{kg} \) each form an equilateral triangle with side \( 7 \, \text{m} \). What is the net force on one mass? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

NEET Physics — Gravitation

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Two masses \( 2 \, \text{kg} \) and \( 8 \, \text{kg} \) are separated by \( 4 \, \text{m} \). What is the gravitational potential at the midpoint? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Gravitation. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Separated, Gravitational, Potential, Midpoint, Following, and Statements.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Two masses \( 2 \, \text{kg} \) and \( 8 \, \text{kg} \) are separated by \( 4 \, \text{m} \). What is the gravitational potential at the midpoint? (\( G = 6.67 \times 10^{-11} \, \text{N m}^2/\text{kg}^2 \))

  • A. -3.0 × 10⁻¹⁰ J/kg
  • B. -3.3 × 10⁻¹⁰ J/kg
  • C. -3.5 × 10⁻¹⁰ J/kg
  • D. -4.0 × 10⁻¹⁰ J/kg

Q2. Which of the following statements is correct about gravitational potential energy?

  • A. It is positive near Earth
  • B. It increases as objects approach
  • C. It becomes more negative as objects approach
  • D. It is zero at Earth’s surface

Q3. Why does the Moon’s orbital period relate to Earth’s mass?

  • A. Moon’s mass affects it
  • B. Earth’s mass determines the force
  • C. Distance from the Sun varies
  • D. Earth’s rotation influences it

Q4. What determines whether an object can escape Earth’s gravitational influence?

  • A. Its mass
  • B. Its total mechanical energy
  • C. Its direction of launch
  • D. Its height above the surface

Q5. A projectile is launched at \( 3 \, \text{km/s} \) from Earth’s surface. What is its maximum distance from the center? (Escape speed = \( 11.2 \, \text{km/s}, R_E = 6.4 \times 10^6 \, \text{m} \))

  • A. 6.8 × 10⁶ m
  • B. 6.9 × 10⁶ m
  • C. 7.0 × 10⁶ m
  • D. 7.1 × 10⁶ m

+ 5 more questions in the actual test

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