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A total of 640 joules of work is done on a
50.-kilogram object as it is moved 8.0 meters
across a level floor by the application of a
horizontal force. Determine the magnitude
of the horizontal force applied to the
object.



Sagot :

Answer:

80N

Explanation:

work done=force×distance

w=640

f=?

d=8.0

w=f×d

f=w÷d

f=640÷8.4

f=80N