Magnetic Force on a Bent Wire Conceptual Question MasteringPhysics?

Question

The bent wire circuit shown in the figure (Intro 1 figure) is in a region of space with a uniform magnetic field in the +z direction. Current flows through the circuit in the direction indicated. Note that segments 2 and 5 are oriented parallel to the z axis; the other pieces are parallel to either the x or y axis. Part ADetermine the direction of the magnetic force along segment 1, which carries current in the -x direction.Enter the direction of the force as a sign (+ or -) followed by a coordinate direction (x, y, or z) without spaces. For instance, if you think that the force points in the positive y direction, enter +y. If there is no magnetic force, enter 0.Part BDetermine the direction of the magnetic force along segment 2, which carries current in the -z direction.Enter the direction of the force as a sign (+ or -) followed by a coordinate direction (x, y, or z) without spaces. For instance, if you think that the force points in the positive y direction, enter +y. If there is no magnetic force, enter 0.Part CDetermine the direction of the magnetic force along segment 3, which carries current in the +y direction.Enter the direction of the force as a sign (+ or -) followed by a coordinate direction (x, y, or z) without spaces. For instance, if you think that the force points in the positive y direction, enter +y. If there is no magnetic force, enter 0.Part DDetermine the direction of the magnetic force along segment 4, which carries current in the +x direction.Enter the direction of the force as a sign (+ or -) followed by a coordinate direction (x, y, or z) without spaces. For instance, if you think that the force points in the positive y direction, enter +y. If there is no magnetic force, enter 0.Part EDetermine the direction of the magnetic force along segment 5, which carries current in the +z direction.Enter the direction of the force as a sign (+ or -) followed by a coordinate direction (x, y, or z) without spaces. For instance, if you think that the force points in the positive y direction, enter +y. If there is no magnetic force, enter 0.Part FDetermine the direction of the magnetic force along segment 6, which carries current in the +x direction.Enter the direction of the force as a sign (+ or -) followed by a coordinate direction (x, y, or z) without spaces. For instance, if you think that the force points in the positive y direction, enter +y. If there is no magnetic force, enter 0.Part GDetermine the direction of the magnetic force along segment 7, which carries current in the -y direction.Enter the direction of the force as a sign (+ or -) followed by a coordinate direction (x, y, or z) without spaces. For instance, if you think that the force points in the positive y direction, enter +y. If there is no magnetic force, enter 0.

Saul Waters · Accepted Answer

It would probably help if you had the diagram. However, because I just dealt with this problem m’self I know how it looks. The easiest way to do this is use your index finger to point in the direction of current, use the other three fingers on the same hand to point in the direction of the magnetic field, also keep them straight(most just use the middle finger) (IE it is always pointing toward you) and your thumb with show you the direction of the force.So for Part A,Point your index finger toward the left, your middle finger toward yourself and your thumb should be pointing upwards. Thus making the answer; +y.For Part B,When you try this one, you’ll see if is physically impossible (unless you break off your fingers) to point away from yourself with your index and point directly at yourself with your middle finger (keeping in mind you have to keep them straight). Thus making the answer; 0.For Part C, Point your index upwards, middle toward you. thumb should be pointing to the right. (+x)Giving that much should be sufficient, I imagine you will be able to solve the rest yourself, Good luck!

Saul Waters · Answer

No, the electromagnetic pressure, although thousands and thousands of situations better than gravitational pressure, it does not curve area time, in reality a huge mass including a planet or superstar, or fairly a black hollow, can curve area. both forces radiate outwards and reduce in skill inversely by technique of the sq. of the area, even though it truly is the position the similarity ends.

Ms. Mara Collier

Magnetic Force on a Bent Wire Conceptual Question MasteringPhysics?

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