InterviewSolution
Saved Bookmarks
| 1. |
Find the torque of a force 7i+3j-5k about the origin.The force acts on a particle whose position vector is |
|
Answer» Torqueis defined as→τ=→r×→F(→ris the position vector and→Fis the force vector) So, here→τ=(i−j+k)×(7i+3j−5k)=(2i+12j+10k) So,∣∣→τ∣∣=√4+144+100=√248=15.74N.m |
|