What is the net torque on the bar shown in (Figure 1), about the axis indicated by the dot? Suppose that F = 7.0 N .

The answer is a i think

The modern-day generator works on the principle of electromagnetic induction discovered by michael faraday in 1831-32. faraday discovered that the above flow of electric charges could be induced by moving an electrical conductor, such as a wire that contains electric charges, in a magnetic field.

What the heck r u talkin bout? ?