Practice Inertia and Mass - 8.3 | 8. Force and Laws of Motion | CBSE 9 Science
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8.3 - Inertia and Mass

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define inertia.

πŸ’‘ Hint: Think about how objects behave when forces are applied.

Question 2

Easy

What unit is used to measure mass?

πŸ’‘ Hint: Mass is a measure of matter.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does inertia describe?

  • A) The tendency of an object to remain at rest
  • B) The change in an object's position
  • C) The velocity of an object
  • D) The acceleration of an object

πŸ’‘ Hint: Think about how objects behave when no forces act on them.

Question 2

True or False: All objects with the same mass have the same inertia.

  • True
  • False

πŸ’‘ Hint: Recall the definition of inertia.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a heavy box with a mass of 25 kg. How much force is needed to accelerate it at 2 m/sΒ²?

πŸ’‘ Hint: Apply Newton's second law of motion.

Question 2

A marble rolls down an inclined plane, where friction can be ignored. If it starts with no force acting and rolls down gaining speed, describe the forces acting on it and what is its inertia.

πŸ’‘ Hint: Consider how inertia resists changes to motion.

Challenge and get performance evaluation