The triangular loop of wire shown in the figure carries a current I = 5.00A in t

Question

The triangular loop of wire shown in the figure carries a current I = 5.00A in the direction shown. The loop is in a uniform magnetic field that has magnitude B = 3.00T and the same direction as the current inside PQ of the loop. (Figure 1) Find the magnitude of the force exerted by the magnetic field on side PR of the triangle. Imagine that the loop is free to rotate about the PR axis, which is fixed in place by a hinge. Which way would the loop rotate, when viewed from the left hand side of the figure? counterclockwise clockwise

Explanation / Answer

C) The magnitude of the force exerted by the magnetic field on side PR of the triangle,
= BIL sin =3*5*0.8 sin 90 = 12 N

G) Clockwise

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