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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySee the figure given below, a mass of \(4\) kg rests on a horizontal plane. The plane is gradually inclined until at an angle \(\theta=15^\circ\) with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface?
1. \(0.27\)
2. \(0.53\)
3. \(0.23\)
4. \(0.25\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA cyclist speeding at 18 km/h on a level road takes a sharp circular turn of radius 3 m without reducing the speed. The coefficient of static friction between the tyres and the road is 0.1. Will the cyclist slip while taking the turn?
1. | no |
2. | yes |
3. | data insufficient |
4. | depends on the weight of the cyclist |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology