- 1(current)
Q. No.Calculate the acceleration of the block and trolly system shown in the figure. The coefficient of kinetic friction between the trolly and the surface is \(0.05.\)
( \(g=10~\text{m/s}^2,\) the mass of the string is negligible and no other friction exists)
| 1. | \( 1.25~\text{m/s}^2\) | 2. | \( 1.50~\text{m/s}^2\) |
| 3. | \(1.66~\text{m/s}^2\) | 4. | \( 1.00~\text{m/s}^2\) |
Subtopic: Friction |
65%
From NCERT
NEET - 2020
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See 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. \(0.25\)
Subtopic: Friction |
61%
From NCERT
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Determine the maximum acceleration of the train in which a box lying on its floor will remain stationary, given that the coefficient of static friction between the box and the train’s floor is \(0.15.\)
1. \(0\)
2. \(0.5~\text{m/s}^2\)
3. \(2.5~\text{m/s}^2\)
4. \(1.5~\text{m/s}^2\)
1. \(0\)
2. \(0.5~\text{m/s}^2\)
3. \(2.5~\text{m/s}^2\)
4. \(1.5~\text{m/s}^2\)
Subtopic: Friction |
80%
From NCERT
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Q. No.
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