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Physics

1 answer:

Delvig [45]1 year ago

7 0

Answer:

Explanation:

because when they are in opposite direction we subtract so 10N-10N=0 the second one is in the same direction so we simply add the 2 numbers so 10N+10N=20N the last one is as the same as the first picture we subtract 10N-8N=2N

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Answer:

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