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grandymaker [24]
3 years ago
11

How can you find the net force if two forces act in opposite directions?

Physics
1 answer:
Tcecarenko [31]3 years ago
4 0

If two forces act in <em>exactly</em> opposite directions, then the magnitude
of the net force is their difference, and the direction of the net force
is the direction of the greater one.

Examples:

10 newtons up, 4 newtons down,  net force = 6 newtons up

24 pounds left, 20 pounds right, net force = 4 pounds left

999,999 ounces forward, 1 million ounces backward, net force = 1 ounce backward

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Answer:

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Explanation:

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Bold represents vectors.

The point represents the scalar product, in this case we calculate the electric field in the x-axis and the potential is also in this axis so the scalar product is reduced to the algebraic product

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Let's make the derivative

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Let's replace the values

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