Practice - Important Formulas
Practice Questions
Test your understanding with targeted questions
What is the formula for calculating the moment of force?
💡 Hint: Think about what happens when you push a door.
Define a couple in physics.
💡 Hint: Consider two people pushing a door from opposite ends.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating the moment of force?
💡 Hint: Think about rotation around a pivot.
True or False: A couple can produce rotation without causing any translation.
💡 Hint: Visualize how two people push a door.
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Challenge Problems
Push your limits with advanced challenges
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.
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.
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Reference links
Supplementary resources to enhance your learning experience.