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Home » Figure shows a lamina in the x-y plane. Two axes z and z’ pass perpendicular to its plane. A force F acts in the plane of lamina at point P as shown. Which of the following are true?a) torque τ caused by F about z-axis is along b) torque τ’ caused by F about z’ axis is alongc) torque τ caused by F about the z-axis is greater in magnitude than that about the z-axisd) total torque is given be τ = τ + τ’
Figure shows a lamina in the x-y plane. Two axes z and z’ pass perpendicular to its plane. A force F acts in the plane of lamina at point P as shown. Which of the following are true?
a) torque τ caused by F about z-axis is along -\hat{k}
b) torque τ’ caused by F about z’ axis is along-\hat{k}
c) torque τ caused by F about the z-axis is greater in magnitude than that about the z-axis
d) total torque is given be τ = τ + τ’
CBSE | Class 11 | NCERT Exemplar | Physics | System of particles and rotational motion
Figure shows a lamina in the x-y plane. Two axes z and z’ pass perpendicular to its plane. A force F acts in the plane of lamina at point P as shown. Which of the following are true?
a) torque τ caused by F about z-axis is along -\hat{k}
b) torque τ’ caused by F about z’ axis is along-\hat{k}
c) torque τ caused by F about the z-axis is greater in magnitude than that about the z-axis
d) total torque is given be τ = τ + τ’

Correct answers are:

b) torque τ’ caused by F about z’ axis is along -\hat{k}

c) torque τ caused by F about the z-axis is greater in magnitude than that about the z-axis

i

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