OBJECTS SUSPENDED BY STRINGS \& APPARENT WEIGHT
Laws of Motion

270254 In the given arrangement,\(n\) number of equal masses are connected by strings of negligible masses. The tension in the string connected to \(n^{\text {th }}\) mass is :

1 \(\frac{m M g}{n m+M}\)
2 \(\frac{m M g}{n m M}\)
3 \(m g\)
4 \(\mathrm{mng}\)
Laws of Motion

270255 A\(40 \mathrm{~N}\) block is supported by two ropes. One rope is horizontal and the other makes an angle of \(30^{\circ}\) with the ceiling. The tension in the rope attached to the ceiling is approximately :

1 \(80 \mathrm{~N}\)
2 \(40 \mathrm{~N}\)
3 \(34.6 \mathrm{~N}\)
4 \(46.2 \mathrm{~N}\)
Laws of Motion

270256 The pulley arrangements shown in figure are identical, the mass of the rope being negligible. In case\(I\),the mass \(m\) is lifted by attaching a mass \(2 \mathrm{~m}\) to the other end of rope with a constant downward force \(F=2 \mathrm{mg}\), where \(g\) is acceleration due to gravity. The acceleration of mass \(m\) in case \(I\) is

1 zero
2 more than that in case II
3 less than that in case II
4 equal to that in case II
Laws of Motion

270257 Two masses of\(10 \mathrm{~kg}\) and \(5 \mathrm{~kg}\) are suspended from a rigid support as shown in figure. The system is pulled down with a force of \(150 \mathrm{~N}\) attached to the lower mass. The string attached to the support breaks and the system accelerates downwards.

In case the force continues to act.what will be the tension acting between the two masses?

1 \(300 \mathrm{~N}\)
2 \(200 \mathrm{~N}\)
3 \(100 \mathrm{~N}\)
4 zero
Laws of Motion

270258 Two bodies of masses\(3 \mathrm{~kg}\) and \(2 \mathrm{~kg}\) are connected by a long string and the string is made to pass over a smooth fixed pulley. Initially the bodies are held at the same level and released from rest. The velocity of the \(3 \mathrm{~kg}\) body after one second is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 \(2 \mathrm{~m} / \mathrm{s}\)
2 \(1 \mathrm{~m} / \mathrm{s}\)
3 \(0.4 \mathrm{~m} / \mathrm{s}\)
4 \(4 \mathrm{~m} / \mathrm{s}\)
Laws of Motion

270254 In the given arrangement,\(n\) number of equal masses are connected by strings of negligible masses. The tension in the string connected to \(n^{\text {th }}\) mass is :

1 \(\frac{m M g}{n m+M}\)
2 \(\frac{m M g}{n m M}\)
3 \(m g\)
4 \(\mathrm{mng}\)
Laws of Motion

270255 A\(40 \mathrm{~N}\) block is supported by two ropes. One rope is horizontal and the other makes an angle of \(30^{\circ}\) with the ceiling. The tension in the rope attached to the ceiling is approximately :

1 \(80 \mathrm{~N}\)
2 \(40 \mathrm{~N}\)
3 \(34.6 \mathrm{~N}\)
4 \(46.2 \mathrm{~N}\)
Laws of Motion

270256 The pulley arrangements shown in figure are identical, the mass of the rope being negligible. In case\(I\),the mass \(m\) is lifted by attaching a mass \(2 \mathrm{~m}\) to the other end of rope with a constant downward force \(F=2 \mathrm{mg}\), where \(g\) is acceleration due to gravity. The acceleration of mass \(m\) in case \(I\) is

1 zero
2 more than that in case II
3 less than that in case II
4 equal to that in case II
Laws of Motion

270257 Two masses of\(10 \mathrm{~kg}\) and \(5 \mathrm{~kg}\) are suspended from a rigid support as shown in figure. The system is pulled down with a force of \(150 \mathrm{~N}\) attached to the lower mass. The string attached to the support breaks and the system accelerates downwards.

In case the force continues to act.what will be the tension acting between the two masses?

1 \(300 \mathrm{~N}\)
2 \(200 \mathrm{~N}\)
3 \(100 \mathrm{~N}\)
4 zero
Laws of Motion

270258 Two bodies of masses\(3 \mathrm{~kg}\) and \(2 \mathrm{~kg}\) are connected by a long string and the string is made to pass over a smooth fixed pulley. Initially the bodies are held at the same level and released from rest. The velocity of the \(3 \mathrm{~kg}\) body after one second is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 \(2 \mathrm{~m} / \mathrm{s}\)
2 \(1 \mathrm{~m} / \mathrm{s}\)
3 \(0.4 \mathrm{~m} / \mathrm{s}\)
4 \(4 \mathrm{~m} / \mathrm{s}\)
Laws of Motion

270254 In the given arrangement,\(n\) number of equal masses are connected by strings of negligible masses. The tension in the string connected to \(n^{\text {th }}\) mass is :

1 \(\frac{m M g}{n m+M}\)
2 \(\frac{m M g}{n m M}\)
3 \(m g\)
4 \(\mathrm{mng}\)
Laws of Motion

270255 A\(40 \mathrm{~N}\) block is supported by two ropes. One rope is horizontal and the other makes an angle of \(30^{\circ}\) with the ceiling. The tension in the rope attached to the ceiling is approximately :

1 \(80 \mathrm{~N}\)
2 \(40 \mathrm{~N}\)
3 \(34.6 \mathrm{~N}\)
4 \(46.2 \mathrm{~N}\)
Laws of Motion

270256 The pulley arrangements shown in figure are identical, the mass of the rope being negligible. In case\(I\),the mass \(m\) is lifted by attaching a mass \(2 \mathrm{~m}\) to the other end of rope with a constant downward force \(F=2 \mathrm{mg}\), where \(g\) is acceleration due to gravity. The acceleration of mass \(m\) in case \(I\) is

1 zero
2 more than that in case II
3 less than that in case II
4 equal to that in case II
Laws of Motion

270257 Two masses of\(10 \mathrm{~kg}\) and \(5 \mathrm{~kg}\) are suspended from a rigid support as shown in figure. The system is pulled down with a force of \(150 \mathrm{~N}\) attached to the lower mass. The string attached to the support breaks and the system accelerates downwards.

In case the force continues to act.what will be the tension acting between the two masses?

1 \(300 \mathrm{~N}\)
2 \(200 \mathrm{~N}\)
3 \(100 \mathrm{~N}\)
4 zero
Laws of Motion

270258 Two bodies of masses\(3 \mathrm{~kg}\) and \(2 \mathrm{~kg}\) are connected by a long string and the string is made to pass over a smooth fixed pulley. Initially the bodies are held at the same level and released from rest. The velocity of the \(3 \mathrm{~kg}\) body after one second is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 \(2 \mathrm{~m} / \mathrm{s}\)
2 \(1 \mathrm{~m} / \mathrm{s}\)
3 \(0.4 \mathrm{~m} / \mathrm{s}\)
4 \(4 \mathrm{~m} / \mathrm{s}\)
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Laws of Motion

270254 In the given arrangement,\(n\) number of equal masses are connected by strings of negligible masses. The tension in the string connected to \(n^{\text {th }}\) mass is :

1 \(\frac{m M g}{n m+M}\)
2 \(\frac{m M g}{n m M}\)
3 \(m g\)
4 \(\mathrm{mng}\)
Laws of Motion

270255 A\(40 \mathrm{~N}\) block is supported by two ropes. One rope is horizontal and the other makes an angle of \(30^{\circ}\) with the ceiling. The tension in the rope attached to the ceiling is approximately :

1 \(80 \mathrm{~N}\)
2 \(40 \mathrm{~N}\)
3 \(34.6 \mathrm{~N}\)
4 \(46.2 \mathrm{~N}\)
Laws of Motion

270256 The pulley arrangements shown in figure are identical, the mass of the rope being negligible. In case\(I\),the mass \(m\) is lifted by attaching a mass \(2 \mathrm{~m}\) to the other end of rope with a constant downward force \(F=2 \mathrm{mg}\), where \(g\) is acceleration due to gravity. The acceleration of mass \(m\) in case \(I\) is

1 zero
2 more than that in case II
3 less than that in case II
4 equal to that in case II
Laws of Motion

270257 Two masses of\(10 \mathrm{~kg}\) and \(5 \mathrm{~kg}\) are suspended from a rigid support as shown in figure. The system is pulled down with a force of \(150 \mathrm{~N}\) attached to the lower mass. The string attached to the support breaks and the system accelerates downwards.

In case the force continues to act.what will be the tension acting between the two masses?

1 \(300 \mathrm{~N}\)
2 \(200 \mathrm{~N}\)
3 \(100 \mathrm{~N}\)
4 zero
Laws of Motion

270258 Two bodies of masses\(3 \mathrm{~kg}\) and \(2 \mathrm{~kg}\) are connected by a long string and the string is made to pass over a smooth fixed pulley. Initially the bodies are held at the same level and released from rest. The velocity of the \(3 \mathrm{~kg}\) body after one second is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 \(2 \mathrm{~m} / \mathrm{s}\)
2 \(1 \mathrm{~m} / \mathrm{s}\)
3 \(0.4 \mathrm{~m} / \mathrm{s}\)
4 \(4 \mathrm{~m} / \mathrm{s}\)
Laws of Motion

270254 In the given arrangement,\(n\) number of equal masses are connected by strings of negligible masses. The tension in the string connected to \(n^{\text {th }}\) mass is :

1 \(\frac{m M g}{n m+M}\)
2 \(\frac{m M g}{n m M}\)
3 \(m g\)
4 \(\mathrm{mng}\)
Laws of Motion

270255 A\(40 \mathrm{~N}\) block is supported by two ropes. One rope is horizontal and the other makes an angle of \(30^{\circ}\) with the ceiling. The tension in the rope attached to the ceiling is approximately :

1 \(80 \mathrm{~N}\)
2 \(40 \mathrm{~N}\)
3 \(34.6 \mathrm{~N}\)
4 \(46.2 \mathrm{~N}\)
Laws of Motion

270256 The pulley arrangements shown in figure are identical, the mass of the rope being negligible. In case\(I\),the mass \(m\) is lifted by attaching a mass \(2 \mathrm{~m}\) to the other end of rope with a constant downward force \(F=2 \mathrm{mg}\), where \(g\) is acceleration due to gravity. The acceleration of mass \(m\) in case \(I\) is

1 zero
2 more than that in case II
3 less than that in case II
4 equal to that in case II
Laws of Motion

270257 Two masses of\(10 \mathrm{~kg}\) and \(5 \mathrm{~kg}\) are suspended from a rigid support as shown in figure. The system is pulled down with a force of \(150 \mathrm{~N}\) attached to the lower mass. The string attached to the support breaks and the system accelerates downwards.

In case the force continues to act.what will be the tension acting between the two masses?

1 \(300 \mathrm{~N}\)
2 \(200 \mathrm{~N}\)
3 \(100 \mathrm{~N}\)
4 zero
Laws of Motion

270258 Two bodies of masses\(3 \mathrm{~kg}\) and \(2 \mathrm{~kg}\) are connected by a long string and the string is made to pass over a smooth fixed pulley. Initially the bodies are held at the same level and released from rest. The velocity of the \(3 \mathrm{~kg}\) body after one second is \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)

1 \(2 \mathrm{~m} / \mathrm{s}\)
2 \(1 \mathrm{~m} / \mathrm{s}\)
3 \(0.4 \mathrm{~m} / \mathrm{s}\)
4 \(4 \mathrm{~m} / \mathrm{s}\)