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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?
๐ก Hint: Think about the components involved in work.
Question 2
Easy
If no displacement occurs, is work done?
๐ก Hint: Consider the definition of 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 standard unit of work?
- Joule
- Newton
- Energy
๐ก Hint: Consider what unit is commonly used to measure energy and work.
Question 2
Is work done if an object is at rest?
- True
- False
๐ก Hint: Think about what constitutes work in physics.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A flatbed truck exerts a force of 600 N on a 150 kg load while moving it 20 m up a slope inclined at 45ยฐ. How much work is done on this load?
๐ก Hint: Use W = Fยทsยทcos(ฮธ). Calculate cos(45ยฐ) for precise work.
Question 2
A cyclist exerts a force of 50 N while pedaling uphill. If the hill rises at an angle of 10ยฐ over a distance of 100 m, how much work is done against gravity?
๐ก Hint: Focus on the effective component of force against gravity using sin(ฮธ).
Challenge and get performance evaluation