Year: 2018
Topic: System of particles and rotational motion
Time :
1.
The moment of the force, \(\vec{F} = 4\hat{i} + 5\hat{j} − 6\hat{k}\) at (2, 0, −3), about the point (2, −2, −2), is given by
(1). \(- 8\hat{i} − 4\hat{j} − 7\hat{k}\)
(2). \(−4\hat{i} −\hat{j} − 8\hat{k}\)
(3). \(−7\hat{i} − 8\hat{j} − 4\hat{k}\)
(4). \(−7\hat{i} − 4\hat{j} − 8\hat{k}\)