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Using the motor principle explain why a motor is rotating in the direction indicated.

I seriuosly have no idea, please help explain this theory to me.

PHYSICS - drwls, Saturday, February 6, 2010 at 2:15pm
To help you answer that question, I'd need a figure that shows what kind of motor (or magnet) it is, the direction of the external magnetic field, whether the field is changing, and which direction the motor is turning.

You have provided none of this information.

it's an electric motor. the current flow is flowing north. the motor is turning clockwise.
the north magnet is actaully on the LEFT and the south magnet is on the RIGHT. There is a circle with a dot in it representing the magnetic force coming out of the page, and there is a circle with a X indicating magnetic force going into the page. These are located on opposite sides of the split ring commutator.

Based on the information provided, I can explain why the motor is rotating clockwise.

In an electric motor, the motor principle states that when a current-carrying coil is placed in a magnetic field, a force is exerted on the coil, causing it to rotate. The direction of this force is given by Fleming's left-hand rule, which states that if you point your thumb in the direction of the current flow (north), your fingers will point in the direction of the magnetic force (clockwise).

In this case, the current is flowing north, and the motor is turning clockwise. The north magnet is on the left and the south magnet is on the right. The split ring commutator is responsible for reversing the direction of the current flow in the coil every half turn to keep the motor continuously rotating in the same direction.

So, the combination of the current flow direction, the orientation of the magnets, and the commutator's role make the motor rotate clockwise.

Based on the information provided, we can explain why the motor is rotating in the clockwise direction using the motor principle.

The motor principle states that when a current-carrying conductor is placed in a magnetic field, a force is exerted on the conductor that causes it to experience a torque and rotate. This principle is the basis for how electric motors work.

In this specific case of an electric motor, the current is flowing in a north direction, and the motor is turning clockwise. We can analyze the situation to understand why this rotation is happening.

The split ring commutator plays a crucial role in determining the direction of rotation. It consists of a ring divided into two halves, with each half connected to a separate coil in the motor. The commutator enables the flow of current to change direction in the coils as the motor rotates.

Now, considering the magnetic field, it is important to note that the north magnet is positioned on the left side, and the south magnet is on the right side. The circle with a dot represents the magnetic force coming out of the page, while the circle with an 'X' indicates the magnetic force going into the page. These forces are located on opposite sides of the split ring commutator.

Due to the magnetic field generated by the magnets, each coil experiences a force according to the motor principle. Now, considering the orientation of the magnets and the direction of the current, the force acting on each coil can be analyzed.

For the coil located on the left side (near the north magnet), the right-hand rule can be applied to determine the direction of the force. When the current flows towards the north magnet and the magnetic field is going into the page, the force experienced by the coil will be directed inward, causing a torque that rotates the motor in a clockwise direction.

Similarly, for the coil located on the right side (near the south magnet), the right-hand rule can be applied again. With the current flowing from the south magnet and the magnetic field coming out of the page, the force experienced by this coil will be directed outward. However, due to the split ring commutator, the current direction changes as the motor rotates, and the force results in a torque that continues to rotate the motor in a clockwise direction.

Overall, the combination of the current direction, magnetic field orientation, and the functioning of the split-ring commutator results in the clockwise rotation of the motor.

NOTE: The explanation above assumes that the north and south magnets form a uniform magnetic field around the motor, and that the current flow in the circuit is constant. In realistic motor situations, there may be additional factors and complexities to consider.