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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating the moment of force?
💡 Hint: Think about what happens when you push a door.
Question 2
Easy
Define a couple in physics.
💡 Hint: Consider two people pushing a door from opposite ends.
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 formula for calculating the moment of force?
- Moment = Force × Distance
- Moment = Force + Distance
- Moment = Force - Distance
💡 Hint: Think about rotation around a pivot.
Question 2
True or False: A couple can produce rotation without causing any translation.
- True
- False
💡 Hint: Visualize how two people push a door.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A bridge has a weight of 50,000 N acting at its center. If it is supported by posts that are 20 m apart, what is the required support force needed at each post to maintain equilibrium?
💡 Hint: Use the concept of evenly distributed weight.
Question 2
An object has a center of gravity located 5 meters above the ground. It is held by a wire at a 30-degree angle from the vertical. Calculate the tension in the wire, given that the weight is 100 N.
💡 Hint: Remember, to calculate the force along the wire, think about vertical and horizontal components.
Challenge and get performance evaluation