06. Motion of Body Connected Together
Laws of Motion

146385 Two blocks of \(2 \mathrm{~kg}\) and \(1 \mathrm{~kg}\) are in contact on a frictionless table. If a force of \(3 \mathrm{~N}\) is applied on \(2 \mathrm{~kg}\) block, then the force of contact between the two block will be
\(\xrightarrow{3 \mathrm{~N}} 2 \mathrm{~kg} 1 \mathrm{~kg}\)

1 \(0 \mathrm{~N}\)
2 \(1 \mathrm{~N}\)
3 \(2 \mathrm{~N}\)
4 \(3 \mathrm{~N}\)
[WBJEE-2010]
Laws of Motion

146386 Two blocks of masses \(m\) and \(2 m\) are connected by a light string passing over a frictionless pulley. As shown in the figure, the mass \(m\) is placed on a smooth inclined plane of inclination \(30^{\circ}\) and \(2 \mathrm{~m}\) hangs vertically. If the system is released, the blocks move with an acceleration equal to

1 \(g / 4\)
2 \(g / 3\)
3 \(g / 2\)
4 \(g\)
Laws of Motion

146387 In the given figure, three blocks are connected by massless cords. Masses of the block are \(\mathrm{m}\), \(3 \mathrm{~m}\) ad \(5 \mathrm{~m}\) and they are pulled by a force \(F\) on a frictionless horizontal surface. If the tension \(T_{1}=16 \mathrm{~N}\), then \(T_{2}\) is equal to :

1 \(6 \mathrm{~N}\)
2 \(10 \mathrm{~N}\)
3 \((80 / 3) \mathrm{N}\)
4 \(18 \mathrm{~N}\)
Laws of Motion

146388 The apparent weight of a person in a lift moving downwards is half his apparent weight the same lift moving upwards with the same acceleration. Acceleration of the lift is

1 \(g\)
2 \(\frac{g}{4}\)
3 \(\frac{g}{2}\)
4 \(\frac{g}{3}\)
Laws of Motion

146385 Two blocks of \(2 \mathrm{~kg}\) and \(1 \mathrm{~kg}\) are in contact on a frictionless table. If a force of \(3 \mathrm{~N}\) is applied on \(2 \mathrm{~kg}\) block, then the force of contact between the two block will be
\(\xrightarrow{3 \mathrm{~N}} 2 \mathrm{~kg} 1 \mathrm{~kg}\)

1 \(0 \mathrm{~N}\)
2 \(1 \mathrm{~N}\)
3 \(2 \mathrm{~N}\)
4 \(3 \mathrm{~N}\)
[WBJEE-2010]
Laws of Motion

146386 Two blocks of masses \(m\) and \(2 m\) are connected by a light string passing over a frictionless pulley. As shown in the figure, the mass \(m\) is placed on a smooth inclined plane of inclination \(30^{\circ}\) and \(2 \mathrm{~m}\) hangs vertically. If the system is released, the blocks move with an acceleration equal to

1 \(g / 4\)
2 \(g / 3\)
3 \(g / 2\)
4 \(g\)
Laws of Motion

146387 In the given figure, three blocks are connected by massless cords. Masses of the block are \(\mathrm{m}\), \(3 \mathrm{~m}\) ad \(5 \mathrm{~m}\) and they are pulled by a force \(F\) on a frictionless horizontal surface. If the tension \(T_{1}=16 \mathrm{~N}\), then \(T_{2}\) is equal to :

1 \(6 \mathrm{~N}\)
2 \(10 \mathrm{~N}\)
3 \((80 / 3) \mathrm{N}\)
4 \(18 \mathrm{~N}\)
Laws of Motion

146388 The apparent weight of a person in a lift moving downwards is half his apparent weight the same lift moving upwards with the same acceleration. Acceleration of the lift is

1 \(g\)
2 \(\frac{g}{4}\)
3 \(\frac{g}{2}\)
4 \(\frac{g}{3}\)
Laws of Motion

146385 Two blocks of \(2 \mathrm{~kg}\) and \(1 \mathrm{~kg}\) are in contact on a frictionless table. If a force of \(3 \mathrm{~N}\) is applied on \(2 \mathrm{~kg}\) block, then the force of contact between the two block will be
\(\xrightarrow{3 \mathrm{~N}} 2 \mathrm{~kg} 1 \mathrm{~kg}\)

1 \(0 \mathrm{~N}\)
2 \(1 \mathrm{~N}\)
3 \(2 \mathrm{~N}\)
4 \(3 \mathrm{~N}\)
[WBJEE-2010]
Laws of Motion

146386 Two blocks of masses \(m\) and \(2 m\) are connected by a light string passing over a frictionless pulley. As shown in the figure, the mass \(m\) is placed on a smooth inclined plane of inclination \(30^{\circ}\) and \(2 \mathrm{~m}\) hangs vertically. If the system is released, the blocks move with an acceleration equal to

1 \(g / 4\)
2 \(g / 3\)
3 \(g / 2\)
4 \(g\)
Laws of Motion

146387 In the given figure, three blocks are connected by massless cords. Masses of the block are \(\mathrm{m}\), \(3 \mathrm{~m}\) ad \(5 \mathrm{~m}\) and they are pulled by a force \(F\) on a frictionless horizontal surface. If the tension \(T_{1}=16 \mathrm{~N}\), then \(T_{2}\) is equal to :

1 \(6 \mathrm{~N}\)
2 \(10 \mathrm{~N}\)
3 \((80 / 3) \mathrm{N}\)
4 \(18 \mathrm{~N}\)
Laws of Motion

146388 The apparent weight of a person in a lift moving downwards is half his apparent weight the same lift moving upwards with the same acceleration. Acceleration of the lift is

1 \(g\)
2 \(\frac{g}{4}\)
3 \(\frac{g}{2}\)
4 \(\frac{g}{3}\)
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Laws of Motion

146385 Two blocks of \(2 \mathrm{~kg}\) and \(1 \mathrm{~kg}\) are in contact on a frictionless table. If a force of \(3 \mathrm{~N}\) is applied on \(2 \mathrm{~kg}\) block, then the force of contact between the two block will be
\(\xrightarrow{3 \mathrm{~N}} 2 \mathrm{~kg} 1 \mathrm{~kg}\)

1 \(0 \mathrm{~N}\)
2 \(1 \mathrm{~N}\)
3 \(2 \mathrm{~N}\)
4 \(3 \mathrm{~N}\)
[WBJEE-2010]
Laws of Motion

146386 Two blocks of masses \(m\) and \(2 m\) are connected by a light string passing over a frictionless pulley. As shown in the figure, the mass \(m\) is placed on a smooth inclined plane of inclination \(30^{\circ}\) and \(2 \mathrm{~m}\) hangs vertically. If the system is released, the blocks move with an acceleration equal to

1 \(g / 4\)
2 \(g / 3\)
3 \(g / 2\)
4 \(g\)
Laws of Motion

146387 In the given figure, three blocks are connected by massless cords. Masses of the block are \(\mathrm{m}\), \(3 \mathrm{~m}\) ad \(5 \mathrm{~m}\) and they are pulled by a force \(F\) on a frictionless horizontal surface. If the tension \(T_{1}=16 \mathrm{~N}\), then \(T_{2}\) is equal to :

1 \(6 \mathrm{~N}\)
2 \(10 \mathrm{~N}\)
3 \((80 / 3) \mathrm{N}\)
4 \(18 \mathrm{~N}\)
Laws of Motion

146388 The apparent weight of a person in a lift moving downwards is half his apparent weight the same lift moving upwards with the same acceleration. Acceleration of the lift is

1 \(g\)
2 \(\frac{g}{4}\)
3 \(\frac{g}{2}\)
4 \(\frac{g}{3}\)