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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 moment?
💡 Hint: Think about how distance affects the turning effect.
Question 2
Easy
Define equilibrium in your own words.
💡 Hint: What happens when forces balance out?
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 does the principle of moments state?
- The sum of clockwise moments equals the sum of anticlockwise moments.
- Moment is equal to force times acceleration.
- The center of gravity is always at the pivot.
💡 Hint: Think about how forces balance each other.
Question 2
A weight placed at the pivot creates what type of moment?
- True
- False
💡 Hint: Consider the distance from the pivot.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A crane lifts a 500 N load at a distance of 4 m from its pivot. What is the moment created at the pivot? If another load is lifted at 2 m, what would its weight need to be to maintain equilibrium?
💡 Hint: Remember to set the moments equal first!
Question 2
Two people are on a seesaw at different distances from the pivot. If one weighs 60 kg and sits 2 m away from the pivot, while the other weighs 40 kg, how far away must the second person sit to balance the seesaw?
💡 Hint: Set their moments equal to find the distance.
Challenge and get performance evaluation