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Static Friction Video Lecture | Physics for JEE Main & Advanced

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FAQs on Static Friction Video Lecture - Physics for JEE Main & Advanced

1. What is static friction?
Ans. Static friction is the force that keeps an object at rest and prevents it from moving when a force is applied to it.
2. How is static friction different from kinetic friction?
Ans. Static friction occurs when an object is at rest, while kinetic friction occurs when an object is in motion.
3. How is static friction calculated?
Ans. The static friction force is equal to the force applied to the object, up to a certain limit called the coefficient of static friction multiplied by the normal force.
4. What factors affect static friction?
Ans. The coefficient of static friction between the two surfaces in contact and the normal force pressing the surfaces together are the main factors that affect static friction.
5. Can static friction be greater than kinetic friction?
Ans. Yes, in some cases, static friction can be greater than kinetic friction, especially when the surfaces in contact have a high coefficient of static friction.
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