Applications of Newton’s Laws
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PHXI05:LAWS OF MOTION

363121 A block of mass \(M\) is pulled along a horizontal frictionless surface by a rope of mass \(m\). If a force \(P\) is applied at the free end of the rope, the force exerted by the rope on the block will be

1 \(\frac{{Pm}}{{M + m}}\)
2 \(P\)
3 \(\frac{{Pm}}{{M - m}}\)
4 \(\frac{{PM}}{{M + m}}\)
PHXI05:LAWS OF MOTION

363122 Three blocks are connected as shown in figure on a horizonalfrictionless table. If \({m_1} = 1\;kg,{\rm{ }}{m_2} = 8\;kg,{\rm{ }}{m_3} = 27\;kg,{\rm{ }}{T_3} = 36\;N,{\rm{ }}{T_2}\) will be
supporting img

1 \(18\,N\)
2 \(9\,N\)
3 \(3.375\,N\)
4 \(1.75\,N\)
PHXI05:LAWS OF MOTION

363123 A block of mass \(m\) is pulled by a uniform chain of mass \(m\) tied to it by applying a force \(F\) at the other end of the chain. The tension at a point which is at a distance of quarter of the length of the chain from the free end, will be
supporting img

1 \(\dfrac{3 F}{4}\)
2 \(\dfrac{7 F}{8}\)
3 \(\dfrac{6 F}{7}\)
4 \(\dfrac{4 F}{5}\)
PHXI05:LAWS OF MOTION

363124 Two masses \(M_{1}\) and \(M_{2}\) are accelerated uniformly on a frictionless surface as shown in figure. The ratio of the tensions \(\dfrac{T_{1}}{T_{2}}\) is
supporting img

1 \(\dfrac{M_{1}}{M_{2}}\)
2 \(\dfrac{M_{2}}{M_{1}}\)
3 \(\dfrac{\left(M_{1}+M_{2}\right)}{M_{2}}\)
4 \(\dfrac{M_{1}}{\left(M_{1}+M_{2}\right)}\)
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PHXI05:LAWS OF MOTION

363121 A block of mass \(M\) is pulled along a horizontal frictionless surface by a rope of mass \(m\). If a force \(P\) is applied at the free end of the rope, the force exerted by the rope on the block will be

1 \(\frac{{Pm}}{{M + m}}\)
2 \(P\)
3 \(\frac{{Pm}}{{M - m}}\)
4 \(\frac{{PM}}{{M + m}}\)
PHXI05:LAWS OF MOTION

363122 Three blocks are connected as shown in figure on a horizonalfrictionless table. If \({m_1} = 1\;kg,{\rm{ }}{m_2} = 8\;kg,{\rm{ }}{m_3} = 27\;kg,{\rm{ }}{T_3} = 36\;N,{\rm{ }}{T_2}\) will be
supporting img

1 \(18\,N\)
2 \(9\,N\)
3 \(3.375\,N\)
4 \(1.75\,N\)
PHXI05:LAWS OF MOTION

363123 A block of mass \(m\) is pulled by a uniform chain of mass \(m\) tied to it by applying a force \(F\) at the other end of the chain. The tension at a point which is at a distance of quarter of the length of the chain from the free end, will be
supporting img

1 \(\dfrac{3 F}{4}\)
2 \(\dfrac{7 F}{8}\)
3 \(\dfrac{6 F}{7}\)
4 \(\dfrac{4 F}{5}\)
PHXI05:LAWS OF MOTION

363124 Two masses \(M_{1}\) and \(M_{2}\) are accelerated uniformly on a frictionless surface as shown in figure. The ratio of the tensions \(\dfrac{T_{1}}{T_{2}}\) is
supporting img

1 \(\dfrac{M_{1}}{M_{2}}\)
2 \(\dfrac{M_{2}}{M_{1}}\)
3 \(\dfrac{\left(M_{1}+M_{2}\right)}{M_{2}}\)
4 \(\dfrac{M_{1}}{\left(M_{1}+M_{2}\right)}\)
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PHXI05:LAWS OF MOTION

363121 A block of mass \(M\) is pulled along a horizontal frictionless surface by a rope of mass \(m\). If a force \(P\) is applied at the free end of the rope, the force exerted by the rope on the block will be

1 \(\frac{{Pm}}{{M + m}}\)
2 \(P\)
3 \(\frac{{Pm}}{{M - m}}\)
4 \(\frac{{PM}}{{M + m}}\)
PHXI05:LAWS OF MOTION

363122 Three blocks are connected as shown in figure on a horizonalfrictionless table. If \({m_1} = 1\;kg,{\rm{ }}{m_2} = 8\;kg,{\rm{ }}{m_3} = 27\;kg,{\rm{ }}{T_3} = 36\;N,{\rm{ }}{T_2}\) will be
supporting img

1 \(18\,N\)
2 \(9\,N\)
3 \(3.375\,N\)
4 \(1.75\,N\)
PHXI05:LAWS OF MOTION

363123 A block of mass \(m\) is pulled by a uniform chain of mass \(m\) tied to it by applying a force \(F\) at the other end of the chain. The tension at a point which is at a distance of quarter of the length of the chain from the free end, will be
supporting img

1 \(\dfrac{3 F}{4}\)
2 \(\dfrac{7 F}{8}\)
3 \(\dfrac{6 F}{7}\)
4 \(\dfrac{4 F}{5}\)
PHXI05:LAWS OF MOTION

363124 Two masses \(M_{1}\) and \(M_{2}\) are accelerated uniformly on a frictionless surface as shown in figure. The ratio of the tensions \(\dfrac{T_{1}}{T_{2}}\) is
supporting img

1 \(\dfrac{M_{1}}{M_{2}}\)
2 \(\dfrac{M_{2}}{M_{1}}\)
3 \(\dfrac{\left(M_{1}+M_{2}\right)}{M_{2}}\)
4 \(\dfrac{M_{1}}{\left(M_{1}+M_{2}\right)}\)
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PHXI05:LAWS OF MOTION

363121 A block of mass \(M\) is pulled along a horizontal frictionless surface by a rope of mass \(m\). If a force \(P\) is applied at the free end of the rope, the force exerted by the rope on the block will be

1 \(\frac{{Pm}}{{M + m}}\)
2 \(P\)
3 \(\frac{{Pm}}{{M - m}}\)
4 \(\frac{{PM}}{{M + m}}\)
PHXI05:LAWS OF MOTION

363122 Three blocks are connected as shown in figure on a horizonalfrictionless table. If \({m_1} = 1\;kg,{\rm{ }}{m_2} = 8\;kg,{\rm{ }}{m_3} = 27\;kg,{\rm{ }}{T_3} = 36\;N,{\rm{ }}{T_2}\) will be
supporting img

1 \(18\,N\)
2 \(9\,N\)
3 \(3.375\,N\)
4 \(1.75\,N\)
PHXI05:LAWS OF MOTION

363123 A block of mass \(m\) is pulled by a uniform chain of mass \(m\) tied to it by applying a force \(F\) at the other end of the chain. The tension at a point which is at a distance of quarter of the length of the chain from the free end, will be
supporting img

1 \(\dfrac{3 F}{4}\)
2 \(\dfrac{7 F}{8}\)
3 \(\dfrac{6 F}{7}\)
4 \(\dfrac{4 F}{5}\)
PHXI05:LAWS OF MOTION

363124 Two masses \(M_{1}\) and \(M_{2}\) are accelerated uniformly on a frictionless surface as shown in figure. The ratio of the tensions \(\dfrac{T_{1}}{T_{2}}\) is
supporting img

1 \(\dfrac{M_{1}}{M_{2}}\)
2 \(\dfrac{M_{2}}{M_{1}}\)
3 \(\dfrac{\left(M_{1}+M_{2}\right)}{M_{2}}\)
4 \(\dfrac{M_{1}}{\left(M_{1}+M_{2}\right)}\)
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