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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is mechanical energy?
💡 Hint: Think about the energy types we discussed.
Question 2
Easy
State the formula for potential energy.
💡 Hint: Remember the components involved: mass, gravity, 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 the formula for mechanical energy?
- ME = KE + PE
- ME = KE - PE
- ME = PE - KE
💡 Hint: Remember the components of mechanical energy.
Question 2
In an ideal isolated system, mechanical energy is . . .
- True
- False
💡 Hint: Think about energy conversion without loss.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the total mechanical energy of a 5 kg object at a 12 m height.
💡 Hint: Use the potential energy formula.
Question 2
A roller coaster starts from rest at a height of 25 m. What is its speed just before it reaches a height of 10 m?
💡 Hint: Utilize energy conservation to equate potential and kinetic energy.
Challenge and get performance evaluation