Question

3. Find the torque of a force
F =-3i+2j +k
acting at the point r = 8î+2j+3k about origin

1) 149 – 38j +3k
2) 41+49 +6
3) –144 +389–16k
4) -4 -17+22​

Answer 1

Answer:

option 4

Explanation:

((2×1-3×2)i+(3×-3-8×1)j+(8×2-2×-3)

=-4-17+22

Answer 2

Answer:

Explanation:

((2×1-3×2)i+(3×-3-8×1)j+(8×2-2×-3)

=-4-17+22= option 4