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Total Questions: 5
1. The coefficient of kinetic friction is less than the coefficient of static friction.
Correct Answer is : TRUE
2. The coefficient of static friction is
Correct Answer is : Equal to the tangent of the angle of friction
3. Which of the following kinetic friction is smaller?
Correct Answer is : Rolling friction
4. A cubical block rests on an inclined plane of μ = 1/√3, determine the angle of inclination when the block just slides down the inclined plane
Correct Answer is : 30°
5. A mass of 4kg rests on a horizontal plane. The plane is gradually inclined until at an angle θ= 15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface?
Correct Answer is : 0.27
