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OpenStudy (anonymous):
How much work is required to lift a 10N weight from 4.0 m to 40m above the surface of the earth
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OpenStudy (cybershadow):
see we got the force F = 10 N we need to move it to the distance dx = 40 -4.0 = 36 m also work = F dx = 10 * 36 = 360 J
OpenStudy (anonymous):
to lift the weight work shud be done against gravity and the force mg needs to be overcome . displacement=40-4=36m work done =forcex displacement=weight x 36=10x36=360N
OpenStudy (anonymous):
units for work are N - m = J
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