OBJECTS SUSPENDED BY STRINGS \& APPARENT WEIGHT
Laws of Motion

270204 Three equal masses\(A, B\) and \(C\) are pulled with a constant force \(F\). They are connected to each other with strings. The ratio of the tension between \(A B\) and \(B C\) is

1 \(1: 2\)
2 \(2: 1\)
3 \(3: 1\)
4 \(1: 1\)
Laws of Motion

270205 A coinis dropped in a lift. It takes time \(t_{1}\) to reach the floor when lift is stationary. It takes time \(t_{2}\) when lift is moving up with constant acceleration. Then

1 \(t_{1}\lt t_{2}\)
2 \(t_{2}\lt t_{1}\)
3 \(t_{1}=t_{2}\)
4 \(t_{1} \geq t_{2}\)
Laws of Motion

270206 A light string passing over a smooth light pulley connects two blocks of masses\(m_{1}\) and \(\mathbf{m}_{2}\) (vertically). If the acceleration of the system is \(g / 8\), then the ratio of masses is

1 \(8: 1\)
2 \(4: 3\)
3 \(5: 3\)
4 \(9: 7\)
Laws of Motion

270207 A pendulum bob is hanging from the roof of an elevator with the help of a light string. When the elevator moves up with uniform acceleration '\(a\) ' the tension in the string is \(T_{1}\). When the elevator moves down with the same acceleration, the tension in the string is \(T_{2}\).If the elevator were stationary, the tension in the string would be

1 \(\frac{T_{1}+T_{2}}{2}\)
2 \(\sqrt{T_{1}+T_{2}}\)
3 \(\frac{T_{1} T_{2}}{T_{1}+T_{2}}\)
4 \(\frac{2 T_{1} T_{2}}{T_{1}+T_{2}}\)
Laws of Motion

270208 Three bodies are lying on a frictionless horizontal table and theseare connected as shown in the figure. They are pulled towards right with a force \(T_{3}=60 \mathrm{~N}\) If \(m_{1} m_{2}\) and \(m_{3}\) are equal to \(10 \mathrm{~kg}, 20 \mathrm{~kg}\) and \(30 \mathrm{~kg}\) respectively, then the values of \(T_{1}\) and \(T_{2}\) will be

1 10N,10N
2 30N,10N
3 10N,30N
4 30N,30N
Laws of Motion

270204 Three equal masses\(A, B\) and \(C\) are pulled with a constant force \(F\). They are connected to each other with strings. The ratio of the tension between \(A B\) and \(B C\) is

1 \(1: 2\)
2 \(2: 1\)
3 \(3: 1\)
4 \(1: 1\)
Laws of Motion

270205 A coinis dropped in a lift. It takes time \(t_{1}\) to reach the floor when lift is stationary. It takes time \(t_{2}\) when lift is moving up with constant acceleration. Then

1 \(t_{1}\lt t_{2}\)
2 \(t_{2}\lt t_{1}\)
3 \(t_{1}=t_{2}\)
4 \(t_{1} \geq t_{2}\)
Laws of Motion

270206 A light string passing over a smooth light pulley connects two blocks of masses\(m_{1}\) and \(\mathbf{m}_{2}\) (vertically). If the acceleration of the system is \(g / 8\), then the ratio of masses is

1 \(8: 1\)
2 \(4: 3\)
3 \(5: 3\)
4 \(9: 7\)
Laws of Motion

270207 A pendulum bob is hanging from the roof of an elevator with the help of a light string. When the elevator moves up with uniform acceleration '\(a\) ' the tension in the string is \(T_{1}\). When the elevator moves down with the same acceleration, the tension in the string is \(T_{2}\).If the elevator were stationary, the tension in the string would be

1 \(\frac{T_{1}+T_{2}}{2}\)
2 \(\sqrt{T_{1}+T_{2}}\)
3 \(\frac{T_{1} T_{2}}{T_{1}+T_{2}}\)
4 \(\frac{2 T_{1} T_{2}}{T_{1}+T_{2}}\)
Laws of Motion

270208 Three bodies are lying on a frictionless horizontal table and theseare connected as shown in the figure. They are pulled towards right with a force \(T_{3}=60 \mathrm{~N}\) If \(m_{1} m_{2}\) and \(m_{3}\) are equal to \(10 \mathrm{~kg}, 20 \mathrm{~kg}\) and \(30 \mathrm{~kg}\) respectively, then the values of \(T_{1}\) and \(T_{2}\) will be

1 10N,10N
2 30N,10N
3 10N,30N
4 30N,30N
Laws of Motion

270204 Three equal masses\(A, B\) and \(C\) are pulled with a constant force \(F\). They are connected to each other with strings. The ratio of the tension between \(A B\) and \(B C\) is

1 \(1: 2\)
2 \(2: 1\)
3 \(3: 1\)
4 \(1: 1\)
Laws of Motion

270205 A coinis dropped in a lift. It takes time \(t_{1}\) to reach the floor when lift is stationary. It takes time \(t_{2}\) when lift is moving up with constant acceleration. Then

1 \(t_{1}\lt t_{2}\)
2 \(t_{2}\lt t_{1}\)
3 \(t_{1}=t_{2}\)
4 \(t_{1} \geq t_{2}\)
Laws of Motion

270206 A light string passing over a smooth light pulley connects two blocks of masses\(m_{1}\) and \(\mathbf{m}_{2}\) (vertically). If the acceleration of the system is \(g / 8\), then the ratio of masses is

1 \(8: 1\)
2 \(4: 3\)
3 \(5: 3\)
4 \(9: 7\)
Laws of Motion

270207 A pendulum bob is hanging from the roof of an elevator with the help of a light string. When the elevator moves up with uniform acceleration '\(a\) ' the tension in the string is \(T_{1}\). When the elevator moves down with the same acceleration, the tension in the string is \(T_{2}\).If the elevator were stationary, the tension in the string would be

1 \(\frac{T_{1}+T_{2}}{2}\)
2 \(\sqrt{T_{1}+T_{2}}\)
3 \(\frac{T_{1} T_{2}}{T_{1}+T_{2}}\)
4 \(\frac{2 T_{1} T_{2}}{T_{1}+T_{2}}\)
Laws of Motion

270208 Three bodies are lying on a frictionless horizontal table and theseare connected as shown in the figure. They are pulled towards right with a force \(T_{3}=60 \mathrm{~N}\) If \(m_{1} m_{2}\) and \(m_{3}\) are equal to \(10 \mathrm{~kg}, 20 \mathrm{~kg}\) and \(30 \mathrm{~kg}\) respectively, then the values of \(T_{1}\) and \(T_{2}\) will be

1 10N,10N
2 30N,10N
3 10N,30N
4 30N,30N
Laws of Motion

270204 Three equal masses\(A, B\) and \(C\) are pulled with a constant force \(F\). They are connected to each other with strings. The ratio of the tension between \(A B\) and \(B C\) is

1 \(1: 2\)
2 \(2: 1\)
3 \(3: 1\)
4 \(1: 1\)
Laws of Motion

270205 A coinis dropped in a lift. It takes time \(t_{1}\) to reach the floor when lift is stationary. It takes time \(t_{2}\) when lift is moving up with constant acceleration. Then

1 \(t_{1}\lt t_{2}\)
2 \(t_{2}\lt t_{1}\)
3 \(t_{1}=t_{2}\)
4 \(t_{1} \geq t_{2}\)
Laws of Motion

270206 A light string passing over a smooth light pulley connects two blocks of masses\(m_{1}\) and \(\mathbf{m}_{2}\) (vertically). If the acceleration of the system is \(g / 8\), then the ratio of masses is

1 \(8: 1\)
2 \(4: 3\)
3 \(5: 3\)
4 \(9: 7\)
Laws of Motion

270207 A pendulum bob is hanging from the roof of an elevator with the help of a light string. When the elevator moves up with uniform acceleration '\(a\) ' the tension in the string is \(T_{1}\). When the elevator moves down with the same acceleration, the tension in the string is \(T_{2}\).If the elevator were stationary, the tension in the string would be

1 \(\frac{T_{1}+T_{2}}{2}\)
2 \(\sqrt{T_{1}+T_{2}}\)
3 \(\frac{T_{1} T_{2}}{T_{1}+T_{2}}\)
4 \(\frac{2 T_{1} T_{2}}{T_{1}+T_{2}}\)
Laws of Motion

270208 Three bodies are lying on a frictionless horizontal table and theseare connected as shown in the figure. They are pulled towards right with a force \(T_{3}=60 \mathrm{~N}\) If \(m_{1} m_{2}\) and \(m_{3}\) are equal to \(10 \mathrm{~kg}, 20 \mathrm{~kg}\) and \(30 \mathrm{~kg}\) respectively, then the values of \(T_{1}\) and \(T_{2}\) will be

1 10N,10N
2 30N,10N
3 10N,30N
4 30N,30N
Laws of Motion

270204 Three equal masses\(A, B\) and \(C\) are pulled with a constant force \(F\). They are connected to each other with strings. The ratio of the tension between \(A B\) and \(B C\) is

1 \(1: 2\)
2 \(2: 1\)
3 \(3: 1\)
4 \(1: 1\)
Laws of Motion

270205 A coinis dropped in a lift. It takes time \(t_{1}\) to reach the floor when lift is stationary. It takes time \(t_{2}\) when lift is moving up with constant acceleration. Then

1 \(t_{1}\lt t_{2}\)
2 \(t_{2}\lt t_{1}\)
3 \(t_{1}=t_{2}\)
4 \(t_{1} \geq t_{2}\)
Laws of Motion

270206 A light string passing over a smooth light pulley connects two blocks of masses\(m_{1}\) and \(\mathbf{m}_{2}\) (vertically). If the acceleration of the system is \(g / 8\), then the ratio of masses is

1 \(8: 1\)
2 \(4: 3\)
3 \(5: 3\)
4 \(9: 7\)
Laws of Motion

270207 A pendulum bob is hanging from the roof of an elevator with the help of a light string. When the elevator moves up with uniform acceleration '\(a\) ' the tension in the string is \(T_{1}\). When the elevator moves down with the same acceleration, the tension in the string is \(T_{2}\).If the elevator were stationary, the tension in the string would be

1 \(\frac{T_{1}+T_{2}}{2}\)
2 \(\sqrt{T_{1}+T_{2}}\)
3 \(\frac{T_{1} T_{2}}{T_{1}+T_{2}}\)
4 \(\frac{2 T_{1} T_{2}}{T_{1}+T_{2}}\)
Laws of Motion

270208 Three bodies are lying on a frictionless horizontal table and theseare connected as shown in the figure. They are pulled towards right with a force \(T_{3}=60 \mathrm{~N}\) If \(m_{1} m_{2}\) and \(m_{3}\) are equal to \(10 \mathrm{~kg}, 20 \mathrm{~kg}\) and \(30 \mathrm{~kg}\) respectively, then the values of \(T_{1}\) and \(T_{2}\) will be

1 10N,10N
2 30N,10N
3 10N,30N
4 30N,30N