A rigid rod of length `2 L` is acted upon by some forces. All forces labelled `F` have the same magnitude. Which cases have a non-zero net torque acting on the rod about its centre ?
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In Which of the following cases the net force acting on the body is not zero ?

In Which of the following cases the net force acting on the body is not zero ?

In which of the following cases the net force acting on the body is not zero?

A homogeneous rod of length L is acted upon by two forces F_(1) and F_(2) applied to its ends and directed opposite to each other. With what force F will the rod be stretched at the cross section at a distance l from the end where F_(1) is applied?

A homogeneous rod of length L is acted upon by two forces F_(1) and F_(2) applied to its ends and directed opposite to each other. With what force F will the rod be stretched at the cross section at a distance l from the end where F_(1) is applied?

A uniform metallic rod PQ of length 2 m is acted upon by two forces A and B along the directions as shown in the figure. Find the magnitude and position of the resultant normal force that acts on the rod.

A rectangular loop is acted upon by two forces of same magnitude but opposite directions. The net force acting on the loop is

A rectangular loop is acted upon by two forces of same magnitude but opposite directions. The net force acting on the loop is

Two forces of the same magnitude F are at right angles to each other. The magnitude of the net force (total force) acting on the object is