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Short Trick: Friction Video Lecture | Physics for JEE Main & Advanced
FAQs on Short Trick: Friction Video Lecture - Physics for JEE Main & Advanced
| 1. What is friction? |  |
Ans. Friction is the force that resists the relative motion or tendency of such motion of two surfaces in contact.
| 2. What are the types of friction? | |
Ans. The types of friction are static friction, kinetic friction, rolling friction, and fluid friction.
| 3. How is the coefficient of friction calculated? | |
Ans. The coefficient of friction is calculated by dividing the force of friction between two objects by the normal force acting between them.
| 4. How does friction affect motion? | |
Ans. Friction can both help and hinder motion. It can provide traction for walking or driving, but it can also slow down objects in motion.
| 5. How can friction be reduced? | |
Ans. Friction can be reduced by using lubricants, polishing surfaces, or using materials with lower coefficients of friction.
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