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Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define friction in your own words.
💡 Hint: Think of an object trying to slide on a surface.
Question 2
Easy
What type of friction acts on a stationary object?
💡 Hint: Remember what keeps the object from starting to move?
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the force that opposes motion called?
💡 Hint: It starts with 'F' and keeps things from sliding easily.
Question 2
True or False: Static friction acts on moving objects.
💡 Hint: Think about the term 'static' refers to.
Solve 3 more questions and get performance evaluation
Push your limits with challenges.
Question 1
A 10 kg box is pushed across a surface with a coefficient of kinetic friction of 0.3. Calculate the frictional force acting on the box.
💡 Hint: Don't forget to calculate the normal force first!
Question 2
Explain how to reduce friction for a bicycle. Consider factors involved in reducing the static and rolling friction.
💡 Hint: Think about how professional bikes are designed for speed.
Challenge and get performance evaluation