04. Friction, and Inclined Plane Friction Motion
Laws of Motion

146215 A body is sliding down on a rough inclined plane which makes an angle of \(30^{\circ}\) with the horizontal. If the coefficient of friction is 0.26 , the acceleration is \(\mathrm{m} / \mathrm{s}^{2}\) is

1 1.95
2 2.78
3 3.47
4 4.6
Laws of Motion

146216 Two carts of masses \(200 \mathrm{Kg}\) and \(300 \mathrm{~kg}\) on horizontal rails are pushed apart. Suppose the coefficient of friction between the carts and the rails are same. If the \(200 \mathrm{~kg}\) cart travels a distance of \(36 \mathrm{~m}\) and stops, then the distance travelled by the cart weighing \(300 \mathrm{~kg}\) is

1 \(32 \mathrm{~m}\)
2 \(24 \mathrm{~m}\)
3 \(16 \mathrm{~m}\)
4 \(12 \mathrm{~m}\)
Laws of Motion

146217 A uniform rope of length \(l\) lies on a table. If the coefficient of friction is \(\mu\) then the maximum length \(l_{1}\) of the part of this rope which can overhang from the edge of the table without sliding down is

1 \(l / \mu\)
2 \(\frac{l}{\mu+1}\)
3 \(\frac{\mu l}{1+\mu}\)
4 \(\frac{\mu l}{\mu-1}\)
Laws of Motion

146218 On a rough horizontal surface, a body of mass \(2 \mathrm{~kg}\) is given a velocity of \(10 \mathrm{~m} / \mathrm{s}\). If the coefficient of friction is 0.2 and \(g=10 \mathrm{~m} / \mathrm{s}^{2}\), the body will stop after covering a distance of

1 \(10 \mathrm{~m}\)
2 \(25 \mathrm{~m}\)
3 \(50 \mathrm{~m}\)
4 \(250 \mathrm{~m}\)
Laws of Motion

146215 A body is sliding down on a rough inclined plane which makes an angle of \(30^{\circ}\) with the horizontal. If the coefficient of friction is 0.26 , the acceleration is \(\mathrm{m} / \mathrm{s}^{2}\) is

1 1.95
2 2.78
3 3.47
4 4.6
Laws of Motion

146216 Two carts of masses \(200 \mathrm{Kg}\) and \(300 \mathrm{~kg}\) on horizontal rails are pushed apart. Suppose the coefficient of friction between the carts and the rails are same. If the \(200 \mathrm{~kg}\) cart travels a distance of \(36 \mathrm{~m}\) and stops, then the distance travelled by the cart weighing \(300 \mathrm{~kg}\) is

1 \(32 \mathrm{~m}\)
2 \(24 \mathrm{~m}\)
3 \(16 \mathrm{~m}\)
4 \(12 \mathrm{~m}\)
Laws of Motion

146217 A uniform rope of length \(l\) lies on a table. If the coefficient of friction is \(\mu\) then the maximum length \(l_{1}\) of the part of this rope which can overhang from the edge of the table without sliding down is

1 \(l / \mu\)
2 \(\frac{l}{\mu+1}\)
3 \(\frac{\mu l}{1+\mu}\)
4 \(\frac{\mu l}{\mu-1}\)
Laws of Motion

146218 On a rough horizontal surface, a body of mass \(2 \mathrm{~kg}\) is given a velocity of \(10 \mathrm{~m} / \mathrm{s}\). If the coefficient of friction is 0.2 and \(g=10 \mathrm{~m} / \mathrm{s}^{2}\), the body will stop after covering a distance of

1 \(10 \mathrm{~m}\)
2 \(25 \mathrm{~m}\)
3 \(50 \mathrm{~m}\)
4 \(250 \mathrm{~m}\)
Laws of Motion

146215 A body is sliding down on a rough inclined plane which makes an angle of \(30^{\circ}\) with the horizontal. If the coefficient of friction is 0.26 , the acceleration is \(\mathrm{m} / \mathrm{s}^{2}\) is

1 1.95
2 2.78
3 3.47
4 4.6
Laws of Motion

146216 Two carts of masses \(200 \mathrm{Kg}\) and \(300 \mathrm{~kg}\) on horizontal rails are pushed apart. Suppose the coefficient of friction between the carts and the rails are same. If the \(200 \mathrm{~kg}\) cart travels a distance of \(36 \mathrm{~m}\) and stops, then the distance travelled by the cart weighing \(300 \mathrm{~kg}\) is

1 \(32 \mathrm{~m}\)
2 \(24 \mathrm{~m}\)
3 \(16 \mathrm{~m}\)
4 \(12 \mathrm{~m}\)
Laws of Motion

146217 A uniform rope of length \(l\) lies on a table. If the coefficient of friction is \(\mu\) then the maximum length \(l_{1}\) of the part of this rope which can overhang from the edge of the table without sliding down is

1 \(l / \mu\)
2 \(\frac{l}{\mu+1}\)
3 \(\frac{\mu l}{1+\mu}\)
4 \(\frac{\mu l}{\mu-1}\)
Laws of Motion

146218 On a rough horizontal surface, a body of mass \(2 \mathrm{~kg}\) is given a velocity of \(10 \mathrm{~m} / \mathrm{s}\). If the coefficient of friction is 0.2 and \(g=10 \mathrm{~m} / \mathrm{s}^{2}\), the body will stop after covering a distance of

1 \(10 \mathrm{~m}\)
2 \(25 \mathrm{~m}\)
3 \(50 \mathrm{~m}\)
4 \(250 \mathrm{~m}\)
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Laws of Motion

146215 A body is sliding down on a rough inclined plane which makes an angle of \(30^{\circ}\) with the horizontal. If the coefficient of friction is 0.26 , the acceleration is \(\mathrm{m} / \mathrm{s}^{2}\) is

1 1.95
2 2.78
3 3.47
4 4.6
Laws of Motion

146216 Two carts of masses \(200 \mathrm{Kg}\) and \(300 \mathrm{~kg}\) on horizontal rails are pushed apart. Suppose the coefficient of friction between the carts and the rails are same. If the \(200 \mathrm{~kg}\) cart travels a distance of \(36 \mathrm{~m}\) and stops, then the distance travelled by the cart weighing \(300 \mathrm{~kg}\) is

1 \(32 \mathrm{~m}\)
2 \(24 \mathrm{~m}\)
3 \(16 \mathrm{~m}\)
4 \(12 \mathrm{~m}\)
Laws of Motion

146217 A uniform rope of length \(l\) lies on a table. If the coefficient of friction is \(\mu\) then the maximum length \(l_{1}\) of the part of this rope which can overhang from the edge of the table without sliding down is

1 \(l / \mu\)
2 \(\frac{l}{\mu+1}\)
3 \(\frac{\mu l}{1+\mu}\)
4 \(\frac{\mu l}{\mu-1}\)
Laws of Motion

146218 On a rough horizontal surface, a body of mass \(2 \mathrm{~kg}\) is given a velocity of \(10 \mathrm{~m} / \mathrm{s}\). If the coefficient of friction is 0.2 and \(g=10 \mathrm{~m} / \mathrm{s}^{2}\), the body will stop after covering a distance of

1 \(10 \mathrm{~m}\)
2 \(25 \mathrm{~m}\)
3 \(50 \mathrm{~m}\)
4 \(250 \mathrm{~m}\)