Practice - Mechanical Energy: The Sum of Motion and Position
Practice Questions
Test your understanding with targeted questions
What is mechanical energy?
💡 Hint: Remember the formula ME = KE + PE.
Which type of energy is related to an object's height?
💡 Hint: Think of an object sitting on a shelf.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does mechanical energy consist of?
💡 Hint: Recall the formula ME = KE + PE.
True or False: In an ideal system, the total mechanical energy can change due to external forces.
💡 Hint: Think about conservation principles.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A roller coaster starts at a height of 20 m with a mass of 500 kg. Calculate its potential energy at the top and its kinetic energy at the bottom, ignoring friction.
💡 Hint: Use conservation of energy principles.
If a 0.2 kg ball is thrown upwards with an initial speed of 30 m/s, find its height when potential energy equals kinetic energy.
💡 Hint: Set the two energy equations equal to solve.
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Reference links
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