roblesmichelle4 roblesmichelle4
  • 12-11-2015
  • Physics
contestada

a force did 80 j of work on an object in 4 m how big was the force

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AL2006
AL2006 AL2006
  • 12-11-2015

Work = (force) x (distance)

80 J = (force) x (4 m)

Force = (80 J) / (4 m)  =  20 N

That's IF the force was in the same direction as the 4m of motion.
If the force was kind of slanted, then it had to be stronger, and
it had a component of 20N in the direction of the motion.

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