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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a simple machine?
💡 Hint: Think of tools that make work easier.
Question 2
Easy
Give an example of a lever.
💡 Hint: Consider devices that help lift things.
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 function of simple machines?
- To perform work without effort
- To make work easier
- To create energy
💡 Hint: Think about the purpose of tools.
Question 2
True or False: A lever can only lift objects straight up.
- True
- False
💡 Hint: Consider the movements that can be involved with levers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You want to lift a 600 N load using a lever with a load arm of 2 m. If your effort arm is 4 m, what force do you need to apply?
💡 Hint: Start by calculating the mechanical advantage and apply it to find the force.
Question 2
A pulley system uses six ropes to lift a 1200 N object. How much force is needed, and if you need to lift it 3 meters, how far do you pull the rope?
💡 Hint: Consider the relationship between the number of ropes and the force.
Challenge and get performance evaluation