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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: Remember that it involves force, displacement, and angle.
Question 2
Easy
What type of work is done when you push a box across a floor?
💡 Hint: Consider the direction of force and movement.
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
Which of the following is true about work?
- It can be done without moving an object.
- It requires force and displacement.
- It is only done in the vertical direction.
💡 Hint: Think about the definition of work.
Question 2
If no displacement occurs, is work done?
- True
- False
💡 Hint: Consider the conditions required for work.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 5 kg object is pushed at an angle of 30 degrees with a force of 15 N. Calculate the work done if it is displaced by 4 meters.
💡 Hint: Break down the force using the cosine of the angle.
Question 2
A lawn mower is pushed with a force of 50 N at an angle of 60 degrees over a distance of 10 m. How much work is done?
💡 Hint: Remember to resolve the angle in the cosine function.
Challenge and get performance evaluation