1

Mathematics

1 answer:

NikAS [45]3 years ago

5 0

9514 1404 393

Answer:

1.0 N

Step-by-step explanation:

When the length increases by the factor 120/80 = 3/2, the force required is multiplied by the inverse of this: 2/3.

The required force is ...

(2/3)(1.5 N) = 1.0 N

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