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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating work?
💡 Hint: Consider the relationship between force and distance.
Question 2
Easy
What is the SI unit of work?
💡 Hint: What does one Joule represent?
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 work measured in?
- Joules
- Watts
- Newton
💡 Hint: Recall the SI unit for energy.
Question 2
Power is defined as the rate at which what is done?
- True
- False
💡 Hint: Think about how fast you can do a job!
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A cyclist performs 150 J of work against gravity to climb a hill. If their mass is 75 kg, what is the height of the hill?
💡 Hint: Rearrange the potential energy formula to isolate height.
Question 2
A car accelerates from rest to a speed of 30 m/s. If it has a mass of 1000 kg, calculate the kinetic energy and the work done to achieve this speed.
💡 Hint: Use the kinetic energy formula to calculate the energy needed.
Challenge and get performance evaluation