- #1
featherua08
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Homework Statement
How much work is required to push a 25-kg block up 2m up a frictionless 30 degree incline at a constant speed?
Homework Equations
W=F(delta X) ; W=(F cos theta)(delta X)
The Attempt at a Solution
I did n=mg -- n=(25)(9.8)=245 & that is the correct answer..but I don't understand how.