Important Questions

Master the concepts of Gravitation with these key questions

Chapter: 1 - Gravitation
Class: 10 - Maharashtra Board
Source: Original Content

Very Short Answer Questions 1-2 Marks

  1. What do we mean by the force of gravitation?
  2. Who proposed the universal law of gravitation and what does it explain?
  3. What physical quantity does the symbol g represent?
  4. Why is gravity called a universal force?
  5. What is meant by free fall of an object?
  6. Which remains unchanged everywhere: mass or weight? Why?
  7. What happens to the weight of an object when it is taken to the Moon?
  8. What is the direction of gravitational force acting on a body near Earth?
  9. Define pressure in simple terms.
  10. Name the force responsible for floating of objects in liquids.

Short Answer Questions 3-4 Marks

  1. Explain Newton's universal law of gravitation in your own words.
    Conceptual Explanation
  2. Write the mathematical formula of gravitational force and explain each term.
    Mathematical Representation
  3. What is acceleration due to gravity? Mention its value and direction.
    Definition & Specification
  4. Describe free fall and write any two equations related to it.
    Description & Equations
  5. Explain the difference between mass and weight using two points.
    Comparative Analysis
  6. Why does pressure increase when the area of contact decreases?
    Cause-Effect Explanation
  7. Define buoyant force and mention two factors affecting it.
    Definition & Factors
  8. Explain why sharp objects can cut more easily than blunt ones.
    Practical Application
  9. What is meant by pressure inside a liquid? Give one daily-life example.
    Definition with Example
  10. Explain why objects with larger surface area float better on water.
    Scientific Explanation

Long Answer Questions 5 Marks

  1. State and explain Newton's universal law of gravitation. Write two effects of gravitation observed in daily life.
    Comprehensive Explanation
  2. Define acceleration due to gravity. Explain how it affects the motion of a freely falling object.
    Definition & Application
  3. Explain the terms thrust, pressure, and buoyancy with suitable examples.
    Conceptual with Examples
  4. State Archimedes' principle in your own words and explain any two of its applications.
    Principle & Applications
  5. Explain why some objects float on water while others sink.
    Scientific Reasoning

Numerical-Based Questions Important

  1. An object is dropped from a certain height. How will you calculate the time taken to reach the ground?
    Calculation Method
  2. How can the weight of an object be calculated if its mass is known?
    Formula Application
  3. Two objects of different masses are placed at some distance. Which factors decide the gravitational force between them?
    Identifying Factors
  4. An object is immersed in water. Which forces act on it and how do they affect floating or sinking?
    Force Analysis
  5. How does the value of acceleration due to gravity change when an object is taken higher above Earth?
    Conceptual Analysis

Thinking / Conceptual Questions

  1. Why do heavy and light objects fall at the same rate in the absence of air?
    Fundamental Concept
  2. Why is gravity weaker on the Moon than on Earth?
    Comparative Analysis
  3. Why do ships made of iron float on water?
    Practical Phenomenon
  4. Why is it easier to walk on a cemented road than on loose sand?
    Real-world Application