Torque and Angular Momentum
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366170 A particle of mass \(m\) is moving in \(y z\) - plane with a uniform velocity \(v\) with its trajectory running parallel to +ve \(y\)-axis and intersecting z-axis at \(z = a\). The change in its angular momentum about the origin as it bounces elastically from a wall at \(y = \) constant is
supporting img

1 \(2{\rm{ }}mva{\rm{ }}{e_x}\)
2 \(mva{\mkern 1mu} \,{e_x}\)
3 \(ymv\,{e_x}\)
4 \(2ymv\,{e_x}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366171 The moment of momentum is called

1 Impulse
2 Angular momentum
3 Couple
4 Torque
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366172 A particle of mass \(m\) in the \(XY\)-plane with a velocity \(v\) along the straight line \(AB\). If the angular momentum of the particle with respect to orgin \(O\) is \(L_{A}\) when it is at \(A\) and \(L_{B}\) when it is at \(B\), then
supporting img

1 \(L_{A} < L_{B}\)
2 \(L_{A}>L_{B}\)
3 \(L_{A}=L_{B}\)
4 The relationship between \(L_{A}\) and \(L_{B}\) depends upon the slope of the line \(AB\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366173 A particle of mass \(2 \mathrm{~kg}\) is on a smooth horizontal table and moves in a circular path of radius 0.6 \(\mathrm{m}\). The height of the table from the ground is 0.8 . If the angular speed of the particle is \(12 \mathrm{rad} \mathrm{s}^{-1}\), the magnitude of its angular omentum about a point on the ground right under the centre of the circle is:

1 \(14.4 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
2 \(8.64 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
3 \(20.16 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
4 \(11.52 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366170 A particle of mass \(m\) is moving in \(y z\) - plane with a uniform velocity \(v\) with its trajectory running parallel to +ve \(y\)-axis and intersecting z-axis at \(z = a\). The change in its angular momentum about the origin as it bounces elastically from a wall at \(y = \) constant is
supporting img

1 \(2{\rm{ }}mva{\rm{ }}{e_x}\)
2 \(mva{\mkern 1mu} \,{e_x}\)
3 \(ymv\,{e_x}\)
4 \(2ymv\,{e_x}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366171 The moment of momentum is called

1 Impulse
2 Angular momentum
3 Couple
4 Torque
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366172 A particle of mass \(m\) in the \(XY\)-plane with a velocity \(v\) along the straight line \(AB\). If the angular momentum of the particle with respect to orgin \(O\) is \(L_{A}\) when it is at \(A\) and \(L_{B}\) when it is at \(B\), then
supporting img

1 \(L_{A} < L_{B}\)
2 \(L_{A}>L_{B}\)
3 \(L_{A}=L_{B}\)
4 The relationship between \(L_{A}\) and \(L_{B}\) depends upon the slope of the line \(AB\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366173 A particle of mass \(2 \mathrm{~kg}\) is on a smooth horizontal table and moves in a circular path of radius 0.6 \(\mathrm{m}\). The height of the table from the ground is 0.8 . If the angular speed of the particle is \(12 \mathrm{rad} \mathrm{s}^{-1}\), the magnitude of its angular omentum about a point on the ground right under the centre of the circle is:

1 \(14.4 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
2 \(8.64 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
3 \(20.16 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
4 \(11.52 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366170 A particle of mass \(m\) is moving in \(y z\) - plane with a uniform velocity \(v\) with its trajectory running parallel to +ve \(y\)-axis and intersecting z-axis at \(z = a\). The change in its angular momentum about the origin as it bounces elastically from a wall at \(y = \) constant is
supporting img

1 \(2{\rm{ }}mva{\rm{ }}{e_x}\)
2 \(mva{\mkern 1mu} \,{e_x}\)
3 \(ymv\,{e_x}\)
4 \(2ymv\,{e_x}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366171 The moment of momentum is called

1 Impulse
2 Angular momentum
3 Couple
4 Torque
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366172 A particle of mass \(m\) in the \(XY\)-plane with a velocity \(v\) along the straight line \(AB\). If the angular momentum of the particle with respect to orgin \(O\) is \(L_{A}\) when it is at \(A\) and \(L_{B}\) when it is at \(B\), then
supporting img

1 \(L_{A} < L_{B}\)
2 \(L_{A}>L_{B}\)
3 \(L_{A}=L_{B}\)
4 The relationship between \(L_{A}\) and \(L_{B}\) depends upon the slope of the line \(AB\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366173 A particle of mass \(2 \mathrm{~kg}\) is on a smooth horizontal table and moves in a circular path of radius 0.6 \(\mathrm{m}\). The height of the table from the ground is 0.8 . If the angular speed of the particle is \(12 \mathrm{rad} \mathrm{s}^{-1}\), the magnitude of its angular omentum about a point on the ground right under the centre of the circle is:

1 \(14.4 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
2 \(8.64 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
3 \(20.16 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
4 \(11.52 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366170 A particle of mass \(m\) is moving in \(y z\) - plane with a uniform velocity \(v\) with its trajectory running parallel to +ve \(y\)-axis and intersecting z-axis at \(z = a\). The change in its angular momentum about the origin as it bounces elastically from a wall at \(y = \) constant is
supporting img

1 \(2{\rm{ }}mva{\rm{ }}{e_x}\)
2 \(mva{\mkern 1mu} \,{e_x}\)
3 \(ymv\,{e_x}\)
4 \(2ymv\,{e_x}\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366171 The moment of momentum is called

1 Impulse
2 Angular momentum
3 Couple
4 Torque
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366172 A particle of mass \(m\) in the \(XY\)-plane with a velocity \(v\) along the straight line \(AB\). If the angular momentum of the particle with respect to orgin \(O\) is \(L_{A}\) when it is at \(A\) and \(L_{B}\) when it is at \(B\), then
supporting img

1 \(L_{A} < L_{B}\)
2 \(L_{A}>L_{B}\)
3 \(L_{A}=L_{B}\)
4 The relationship between \(L_{A}\) and \(L_{B}\) depends upon the slope of the line \(AB\)
PHXI07:SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

366173 A particle of mass \(2 \mathrm{~kg}\) is on a smooth horizontal table and moves in a circular path of radius 0.6 \(\mathrm{m}\). The height of the table from the ground is 0.8 . If the angular speed of the particle is \(12 \mathrm{rad} \mathrm{s}^{-1}\), the magnitude of its angular omentum about a point on the ground right under the centre of the circle is:

1 \(14.4 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
2 \(8.64 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
3 \(20.16 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)
4 \(11.52 \mathrm{~kg} \mathrm{~m}^{2} \mathrm{~s}^{-1}\)