Question

(a) What is the torque about the origin on a jar of jalapeno peppers located at coordinates (1.0 m, -4.0 m, 2.0 m) due to force F1 = (-3.0 N) + (2.0 N) + (-5.0 N) ?

Answer 1

T = r X F

+i +j +k
+1 -4 +2
-3 +2 -5

i (20-4) + j (-6 +5) + k (2 -12)

16 i - j - 10 k