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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define potential energy in your own words.
💡 Hint: Think about energy related to height and position.
Question 2
Easy
What is the formula for gravitational potential energy?
💡 Hint: Recall the symbols for mass, gravity, and height.
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 potential energy directly related to?
- Mass
- Height
- Both Mass and Height
💡 Hint: Remember the formula PE = mgh.
Question 2
True or False: An object at rest has potential energy.
- True
- False
💡 Hint: Think about energy stored due to position.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A rock is dropped from a height of 20 m. Calculate the potential energy at that height. If it falls freely, what will its kinetic energy be just before it hits the ground?
💡 Hint: Use the PE formula and remember all PE turns into KE when falling.
Question 2
If a cat weighing 5 kg is sitting on a ledge 3 meters above the ground, what is its potential energy? If it jumps down to the ground, what happens to that energy?
💡 Hint: Think about how height translates to stored energy.
Challenge and get performance evaluation