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Static Friction Video Lecture - Civil Engineering Optional for UPSC
FAQs on Static Friction
| 1. What is static friction? |  |
Ans. Static friction is the force that resists the movement of an object when a force is applied to it but the object does not move.
| 2. How is static friction different from kinetic friction? | |
Ans. Static friction occurs when an object is at rest and resists the force applied to move it, while kinetic friction occurs when an object is already in motion.
| 3. How is static friction calculated? | |
Ans. Static friction is calculated using the formula: Fs = μs * N, where Fs is the force of static friction, μs is the coefficient of static friction, and N is the normal force acting on the object.
| 4. What factors affect the static frictional force? | |
Ans. The factors that affect the static frictional force include the coefficient of static friction between the surfaces in contact, the normal force pressing the surfaces together, and the roughness of the surfaces.
| 5. Can the static frictional force be greater than the applied force? | |
Ans. Yes, the static frictional force can be greater than the applied force, which is why an object may not move even when a force is applied to it.
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Apr 18, 2026 Last updated
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Video Description: Static Friction for UPSC 2026 is part of Civil Engineering Optional for UPSC preparation. The notes and questions for Static Friction have been prepared according to the UPSC exam syllabus. Information about Static Friction covers all important topics for UPSC 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Static Friction.
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