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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for work?
💡 Hint: Think about the components of force and displacement.
Question 2
Easy
What units are used to measure energy?
💡 Hint: Remember units for work and energy are the same.
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 power?
- P = W × t
- P = W/t
- P = W + t
💡 Hint: Consider how quickly work is done.
Question 2
True or False: Zero work is done when there is no displacement.
- True
- False
💡 Hint: Think about the definition of work.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A cyclist applies a constant force of 50 N to pedal uphill at an angle of 20 degrees for a distance of 10 m. Calculate the work done by the cyclist.
💡 Hint: Remember to include the cosine of the angle.
Question 2
A roller coaster with a mass of 200 kg reaches a height of 30 m. Calculate its potential energy at that height.
💡 Hint: Consider the mass, height, and gravity to find potential energy.
Challenge and get performance evaluation