Practice - Contact Forces
Practice Questions
Test your understanding with targeted questions
What is normal force?
💡 Hint: Think about how surfaces support objects.
Give an example of friction force.
💡 Hint: Consider how things stop or slow down.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of force opposes the motion of touching surfaces?
💡 Hint: Think about what slows down sliding objects.
True or False: Tension force can only act in one direction.
💡 Hint: Consider how tension can be directed.
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Challenge Problems
Push your limits with advanced challenges
A box weighing 30 N is placed on a surface with a coefficient of static friction of 0.5. Calculate the maximum static friction force.
💡 Hint: Remember the formula for static friction.
A tension force of 50 N is needed to lift a 20 N object upwards. What is the net force acting on the object?
💡 Hint: Think about balancing forces while lifting.
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Reference links
Supplementary resources to enhance your learning experience.