Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
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 does mechanical advantage mean?
💡 Hint: Consider how pulleys 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 primary function of a lever?
- To multiply speed
- To amplify force
- To provide resistance
💡 Hint: Think about how a see-saw works.
Question 2
Are pulleys used to reduce the amount of force needed to lift objects?
- True
- False
💡 Hint: Recall how cranes operate.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A lever has a load arm of 1.5 meters and an effort arm of 0.5 meters. Calculate the mechanical advantage.
💡 Hint: Use the formula for mechanical advantage.
Question 2
A structural engineer is designing a bridge. If the total weight it must support is 50,000 kg and the materials used have a safety factor of 1.5, what is the maximum allowable stress the materials can endure?
💡 Hint: Think about how safety factors are incorporated in design.
Challenge and get performance evaluation