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wow22
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Homework Statement
a 79kg mass can slide down a slope of 57 degrees at a constant speed of 12km/h/ how much average force must be abpplied to climb the hill at the same speed?
Homework Equations
Ef=ma
Ef=Fapp-Fgsintheta
The Attempt at a Solution
...ughm... kinda don't know how to start...?
but kk.. Fapp=Fgx+Ffs
but.. idk what mui is in Ffs...
so maybe.. Ffs = Fgx going down?
I don't know where to include the speed though...
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