Steel Speed
September 21st, 2009
How much work requires to push a 13kg block of steel across a steel table at a steady speed of 1.2m/s for 8s?
coefficient of friction = 0.6
What is the power output while doing so?
W = F . d
F = mew.Fg
F = 0.6 * 13 Kg * 9.8 N/Kg
F = 76.44 N
v = d/t
d = v.t
d = 1.2 m/s . 8s
d = 9.6 m
W = F . d
W = 76.44 N . 9.6 m
W= 734 J
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-DS21
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