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The force, I needed to move a rock varies inversely as the length, L, of the crowbar used. When the length is 80 cm, the force needed is 1.5 N. Find the force needed when
the length of the crowbar is 120 cm
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1 1 Point The Force I Needed To Move A Rock Varies Inversely As The Length L Of The Crowbar Used When The Length Is 80 Cm The Force Needed Is 15 N Find The Forc class=

Answer :

Sqdancefango

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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