4.2 - Work
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Practice Questions
Test your understanding with targeted questions
Define work in physics.
💡 Hint: Think about the relationship between force and movement.
What is the SI unit of work?
💡 Hint: Consider what unit is used for energy as well.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit for work?
💡 Hint: Remember, it's also used for energy.
If no displacement occurs, is work done?
💡 Hint: Think about the definition of work.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A car is pushed with a force of 500 N at an angle of 45° for 10 meters. Calculate the work done on the car.
💡 Hint: Use the cosine function to find the effective component of the force.
You exert a force of 300 N on a box, but it only moves 2 meters due to friction acting in the opposite direction. Calculate the work done.
💡 Hint: Remember that cos(180°) produces a negative value.
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