1.

The torque of a force `F = - 6 hat (i)` acting at a point `r = 4 hat(j)` about origin will beA. `-24 hat(k)`B. `24 hat(k)`C. `24 hat(j)`D. `24 hat(i)`

Answer» Correct Answer - B
Torque, `tau=r xx F`
`implies tau = 4hat(j)xx-6hat(i)=-(-24 hat(k))=24 hat(k)`


Discussion

No Comment Found