christineachord
christineachord christineachord
  • 15-11-2021
  • Physics
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last one i promise!!

last one i promise class=

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yeab1824
yeab1824 yeab1824
  • 15-11-2021

Answer:

B

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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