Friction Video Lecture | Crash Course: Civil Engineering (CE)

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FAQs on Friction Video Lecture - Crash Course: Civil Engineering (CE)

1. What is friction in physics?
Ans. Friction in physics is the force that opposes the relative motion or tendency of such motion of two surfaces in contact.
2. How is friction calculated?
Ans. Friction can be calculated using the formula: Friction = coefficient of friction × normal force.
3. What are the types of friction?
Ans. The types of friction include static friction, kinetic friction, rolling friction, and fluid friction.
4. How does friction affect motion?
Ans. Friction can either help or hinder motion. It can help by providing grip for traction, such as in car tires, or hinder motion by slowing down objects moving across a surface.
5. How can friction be reduced?
Ans. Friction can be reduced by using lubricants, polishing surfaces, and using ball bearings or wheels to allow smoother motion.
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