Year: 2020
Topic: System of particles and rotational motion
Time :
1.
Find the torque about the origin when a force of \(3\, \hat{j}\, \text{N}\) acts on a particle whose position vector is \(2\, \hat{k}\, m\).
(1). \(6\, \hat{j}\, \text{Nm}\)
(2). \(-6\, \hat{i}\, \text{Nm}\)
(3). \(6\, \hat{k}\, \text{Nm}\)
(4). \(6\, \hat{i}\, \text{Nm}\)