Torque and Angular Momentum
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366144 Two equal and opposite forces act on a rigid body at a certain distance. Then

1 The body may rotate about its centre of mass.
2 The body is in equilibrium.
3 The body cannot rotate about its centre of mass.
4 The body may rotate about any point other than its centre of mass.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366145 A rod of mass \(m\) and length \(l\) is hinged in vertical wall and the other end is supported by a thread. Find the tension in the thread.
supporting img

1 \(\dfrac{\sqrt{3} m g}{2}\)
2 \(\dfrac{m g}{2}\)
3 \(m g\)
4 \(\sqrt{3} m g\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366146 Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in the figure. The coefficient of static friction between boards and surface is 0.5 . The minimum value of \(\theta\), for which this type of arrangement is possible is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(37^{\circ}\)
4 It is not possible to have this type of balanced arrangement
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366147 A rigid massless rod of length \(L\) is hinged at its one end and a weight \(W\) is hung at a distance \(l( < L)\) from this end.
What force \(P\) should be applied upwards at the other end so that the rod remains in equilibrium horizontally ?
supporting img

1 \(\dfrac{W(L-l)}{l}\)
2 \(\dfrac{W(L-l)}{L}\)
3 \(\dfrac{W L}{l}\)
4 \(\dfrac{W l}{L}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366148 A uniform bar of mass \(M\) and length \(L\) is horizontally suspended from the ceiling by two vertical light cables as shown. Cable \(A\) is connected \(1 / 4\) th distance from the left end of the bar. Cable \(B\) is attached at the far right end of the bar. What is the tension in cable \(A\)?
supporting img

1 \((1 / 3) M g\)
2 \((1 / 4) M g\)
3 \((2 / 3) M g\)
4 \((3 / 4) M g\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366144 Two equal and opposite forces act on a rigid body at a certain distance. Then

1 The body may rotate about its centre of mass.
2 The body is in equilibrium.
3 The body cannot rotate about its centre of mass.
4 The body may rotate about any point other than its centre of mass.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366145 A rod of mass \(m\) and length \(l\) is hinged in vertical wall and the other end is supported by a thread. Find the tension in the thread.
supporting img

1 \(\dfrac{\sqrt{3} m g}{2}\)
2 \(\dfrac{m g}{2}\)
3 \(m g\)
4 \(\sqrt{3} m g\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366146 Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in the figure. The coefficient of static friction between boards and surface is 0.5 . The minimum value of \(\theta\), for which this type of arrangement is possible is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(37^{\circ}\)
4 It is not possible to have this type of balanced arrangement
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366147 A rigid massless rod of length \(L\) is hinged at its one end and a weight \(W\) is hung at a distance \(l( < L)\) from this end.
What force \(P\) should be applied upwards at the other end so that the rod remains in equilibrium horizontally ?
supporting img

1 \(\dfrac{W(L-l)}{l}\)
2 \(\dfrac{W(L-l)}{L}\)
3 \(\dfrac{W L}{l}\)
4 \(\dfrac{W l}{L}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366148 A uniform bar of mass \(M\) and length \(L\) is horizontally suspended from the ceiling by two vertical light cables as shown. Cable \(A\) is connected \(1 / 4\) th distance from the left end of the bar. Cable \(B\) is attached at the far right end of the bar. What is the tension in cable \(A\)?
supporting img

1 \((1 / 3) M g\)
2 \((1 / 4) M g\)
3 \((2 / 3) M g\)
4 \((3 / 4) M g\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366144 Two equal and opposite forces act on a rigid body at a certain distance. Then

1 The body may rotate about its centre of mass.
2 The body is in equilibrium.
3 The body cannot rotate about its centre of mass.
4 The body may rotate about any point other than its centre of mass.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366145 A rod of mass \(m\) and length \(l\) is hinged in vertical wall and the other end is supported by a thread. Find the tension in the thread.
supporting img

1 \(\dfrac{\sqrt{3} m g}{2}\)
2 \(\dfrac{m g}{2}\)
3 \(m g\)
4 \(\sqrt{3} m g\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366146 Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in the figure. The coefficient of static friction between boards and surface is 0.5 . The minimum value of \(\theta\), for which this type of arrangement is possible is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(37^{\circ}\)
4 It is not possible to have this type of balanced arrangement
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366147 A rigid massless rod of length \(L\) is hinged at its one end and a weight \(W\) is hung at a distance \(l( < L)\) from this end.
What force \(P\) should be applied upwards at the other end so that the rod remains in equilibrium horizontally ?
supporting img

1 \(\dfrac{W(L-l)}{l}\)
2 \(\dfrac{W(L-l)}{L}\)
3 \(\dfrac{W L}{l}\)
4 \(\dfrac{W l}{L}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366148 A uniform bar of mass \(M\) and length \(L\) is horizontally suspended from the ceiling by two vertical light cables as shown. Cable \(A\) is connected \(1 / 4\) th distance from the left end of the bar. Cable \(B\) is attached at the far right end of the bar. What is the tension in cable \(A\)?
supporting img

1 \((1 / 3) M g\)
2 \((1 / 4) M g\)
3 \((2 / 3) M g\)
4 \((3 / 4) M g\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366144 Two equal and opposite forces act on a rigid body at a certain distance. Then

1 The body may rotate about its centre of mass.
2 The body is in equilibrium.
3 The body cannot rotate about its centre of mass.
4 The body may rotate about any point other than its centre of mass.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366145 A rod of mass \(m\) and length \(l\) is hinged in vertical wall and the other end is supported by a thread. Find the tension in the thread.
supporting img

1 \(\dfrac{\sqrt{3} m g}{2}\)
2 \(\dfrac{m g}{2}\)
3 \(m g\)
4 \(\sqrt{3} m g\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366146 Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in the figure. The coefficient of static friction between boards and surface is 0.5 . The minimum value of \(\theta\), for which this type of arrangement is possible is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(37^{\circ}\)
4 It is not possible to have this type of balanced arrangement
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366147 A rigid massless rod of length \(L\) is hinged at its one end and a weight \(W\) is hung at a distance \(l( < L)\) from this end.
What force \(P\) should be applied upwards at the other end so that the rod remains in equilibrium horizontally ?
supporting img

1 \(\dfrac{W(L-l)}{l}\)
2 \(\dfrac{W(L-l)}{L}\)
3 \(\dfrac{W L}{l}\)
4 \(\dfrac{W l}{L}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366148 A uniform bar of mass \(M\) and length \(L\) is horizontally suspended from the ceiling by two vertical light cables as shown. Cable \(A\) is connected \(1 / 4\) th distance from the left end of the bar. Cable \(B\) is attached at the far right end of the bar. What is the tension in cable \(A\)?
supporting img

1 \((1 / 3) M g\)
2 \((1 / 4) M g\)
3 \((2 / 3) M g\)
4 \((3 / 4) M g\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366144 Two equal and opposite forces act on a rigid body at a certain distance. Then

1 The body may rotate about its centre of mass.
2 The body is in equilibrium.
3 The body cannot rotate about its centre of mass.
4 The body may rotate about any point other than its centre of mass.
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366145 A rod of mass \(m\) and length \(l\) is hinged in vertical wall and the other end is supported by a thread. Find the tension in the thread.
supporting img

1 \(\dfrac{\sqrt{3} m g}{2}\)
2 \(\dfrac{m g}{2}\)
3 \(m g\)
4 \(\sqrt{3} m g\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366146 Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in the figure. The coefficient of static friction between boards and surface is 0.5 . The minimum value of \(\theta\), for which this type of arrangement is possible is
supporting img

1 \(45^{\circ}\)
2 \(30^{\circ}\)
3 \(37^{\circ}\)
4 It is not possible to have this type of balanced arrangement
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366147 A rigid massless rod of length \(L\) is hinged at its one end and a weight \(W\) is hung at a distance \(l( < L)\) from this end.
What force \(P\) should be applied upwards at the other end so that the rod remains in equilibrium horizontally ?
supporting img

1 \(\dfrac{W(L-l)}{l}\)
2 \(\dfrac{W(L-l)}{L}\)
3 \(\dfrac{W L}{l}\)
4 \(\dfrac{W l}{L}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366148 A uniform bar of mass \(M\) and length \(L\) is horizontally suspended from the ceiling by two vertical light cables as shown. Cable \(A\) is connected \(1 / 4\) th distance from the left end of the bar. Cable \(B\) is attached at the far right end of the bar. What is the tension in cable \(A\)?
supporting img

1 \((1 / 3) M g\)
2 \((1 / 4) M g\)
3 \((2 / 3) M g\)
4 \((3 / 4) M g\)