Question
Question: A beam of length l lies on the + x-axis with its left end on the origin. A cable pulls the beam in y...
A beam of length l lies on the + x-axis with its left end on the origin. A cable pulls the beam in y – direction with a force F = F0(1−lx). If the axis is fixed at x = 0 then find the torque.

A
– F0l
B
F0l/2
C
– F0l/2
D
None of these
Answer
F0l/2
Explanation
Solution
Torque dτ = ∫0lFx=2F0l