Practice Energy: The Fundamental Ability to Cause Change - 3.1 | Energy, Work, and Power | IB Board Grade 9 Physics
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Knowledge

3.1 - Energy: The Fundamental Ability to Cause Change

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is energy?

💡 Hint: Think about what allows things to move or change states.

Question 2

Easy

Name two forms of energy.

💡 Hint: Consider energy when an object is moving or at rest.

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 is energy?

  • The ability to hinder motion
  • The capacity to do work
  • Nothing at all

💡 Hint: It's what powers movement and change!

Question 2

True or False: Energy can be created and destroyed.

  • True
  • False

💡 Hint: Remember the law you just learned!

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A skateboarder at the top of a ramp (height = 3m) has a mass of 60 kg. Calculate their potential energy before they descend. Assume g = 9.81 m/s².

💡 Hint: Use the potential energy formula mgh.

Question 2

A car of 1200 kg is moving at a speed of 20 m/s. Calculate its kinetic energy.

💡 Hint: Substitute into the kinetic energy formula.

Challenge and get performance evaluation