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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define work in physics.
💡 Hint: Think about how force and movement are related.
Question 2
Easy
If a 5 N force moves an object 3 meters, how much work is done?
💡 Hint: Use the formula W = F × d.
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 SI unit of work?
- Kilojoule
- Joule
- Newton
💡 Hint: Consider the relationship of work to energy.
Question 2
True or False: The work done is positive if force and displacement are in opposite directions.
- True
- False
💡 Hint: Think about how direction affects energy transfer.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A person carries a box up a 3 m height with a constant force of 50 N at an angle of 30 degrees to the vertical. Calculate the work done against gravity.
💡 Hint: Remember to consider how only the vertical component of the force does work against gravity.
Question 2
A cart moves 20 m down a ramp that is inclined at 15 degrees. Calculate the work done by gravity if the mass of the cart is 5 kg.
💡 Hint: Determine how far the cart moves vertically down.
Challenge and get performance evaluation