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An Electric Current :)
Any net force will change an object's velocity. In the case of a centripetal force, it changes the direction of the movement, and therefore its velocity.
It isn't. The direction of momentum is the same as the direction of the velocity - of the movement. The direction of acceleration, on the other hand, is the same as the direction of the net force that acts on an object - and this force can be in any direction.
That is called an electrical current, or just a current.
You just add the forces in this case.
An Electric Current :)
Any net force will change an object's velocity. In the case of a centripetal force, it changes the direction of the movement, and therefore its velocity.
It isn't. The direction of momentum is the same as the direction of the velocity - of the movement. The direction of acceleration, on the other hand, is the same as the direction of the net force that acts on an object - and this force can be in any direction.
This is the simplest case of vector addition. If two forces are acting in the same direction, then you can just add them, to get the net force.
This is the simplest case of vector addition. If two forces are acting in the same direction, then you can just add them, to get the net force.
In the same direction, you simply add them
That is called an electrical current, or just a current.
You just add the forces in this case.
In that case you simply add the magnitudes.
You can consider any direction as positive, and the opposite direction as negative. However, in this case it is customary to call a gain "positive", and a loss "negative".
In the same direction as the movement
its the net movement of water as a result of Ekman spiral; in the northen hemisphere, 90 degrees to the right of the wind direction; in the southern hemisphere 90 degrees to the left of the wind direction