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A force used to lift a 25kg mass to a height of 12m in 5 sec does 2100J of work. How much force is used? DO NOT INCLUDE UNITS BUT KNOW THAT FORCE IS IN NEWTONS.
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A force used to lift a 25kg mass to a height of 12m in 5 sec does 2100J of work. How much force is used?

DO NOT INCLUDE UNITS BUT KNOW THAT FORCE IS IN NEWTONS.

User Stephen Watkins
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1 Answer

4 votes
By definition we have that the work done in one direction, is given by the multiplication of the force exerted in that direction by the distance traveled.
So, we have:
Work = Force * distance
2100 J = Force * 12 m
Force = 175 N
The other data, are extras.
Answer
Force = 175 N
User Jaime Caffarel
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