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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define work in physics.
π‘ Hint: Think about the relationship between force and movement.
Question 2
Easy
What is the SI unit of work?
π‘ Hint: Recall the formula for work.
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 work done?
- W = F Γ s Γ sin ΞΈ
- W = F Γ s Γ cos ΞΈ
- W = F Γ s Γ tan ΞΈ
π‘ Hint: Recall the components of work.
Question 2
True or False: Energy can be created or destroyed.
- True
- False
π‘ Hint: Think about conservation principles.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A car exerts a force of 4000 N to accelerate from rest to a speed of 20 m/s. Calculate the work done by the car.
π‘ Hint: First find the mass of the car and apply kinetic energy formula.
Question 2
If a spring with a spring constant of 300 N/m is compressed by 0.1 m, how much work is done on the spring?
π‘ Hint: Use the compression distance in the work formula.
Challenge and get performance evaluation