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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a lever?
💡 Hint: Think about how seesaws work.
Question 2
Easy
What is the role of the fulcrum in a lever?
💡 Hint: Consider what part of a seesaw doesn't move.
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 primary purpose of a lever?
- To lift weights with less effort
- To push objects
- To create friction
💡 Hint: Think about how a seesaw functions.
Question 2
True or False: The fulcrum is where the load is located on a lever.
- True
- False
💡 Hint: Remember the definition of the fulcrum.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are designing a seesaw and want it to balance if a 12 kg child sits 1 m from the fulcrum. How far will a 10 kg child need to sit from the fulcrum to balance it?
💡 Hint: Use the moment balance equation to solve for the distance.
Question 2
A race car is balanced on a scale where the weight distribution is 400 kg at the front and 600 kg at the rear. How can this affect performance, and how would the car need to be adjusted based on lever principles?
💡 Hint: Think about how the position of weight affects steering and grip.
Challenge and get performance evaluation