college physics

a 1.0 N-weight is hanging at rest as shown. In each case, write in the magnitude of the unknown force.
a) chain with a weight of 2.5 N has a 1.0 N hanging weight
b) chain with a weight of .5 N has a 1.0 N hanging weight
c) stretched elastic band with negligible weight has a 1.0 N hanging weight

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asked by Amber
  1. an insect inside a bus flies from the back toward the front at 2 m/s the bus is moving in a straight line at 20 m/s what is the speed of the insect relative to earth's surface

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  2. THIS IS NO HELP ???

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    posted by Amber
  3. a) F(unknown)= 2.5N + 1.0N
    b) F(unknown)= .5N +1.0N
    c) F(unknown)= 0N + 1.0N

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    posted by Roxanne

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