4 - Work, Energy & Simple Machines
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Practice Questions
Test your understanding with targeted questions
Define kinetic energy.
💡 Hint: Think about what happens when things are moving.
What is the formula for calculating work?
💡 Hint: What two quantities do you need to find work?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for Work?
💡 Hint: Consider the definition of work in physics.
True or False: Power is the rate at which work is done.
💡 Hint: Think about how we define power.
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Challenge Problems
Push your limits with advanced challenges
A 10 kg object is lifted to a height of 4 m. Calculate its potential energy.
💡 Hint: Use the gravitational force acceleration for Earth.
Explain why two different weights moving at the same speed have different kinetic energies.
💡 Hint: Focus on how mass influences energy!
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Reference links
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