Asked by Science
38. A box slides down a 30.0 degree ramp with an acceleration of 1.20 m/s^2. Determine the coefficient of kinetic friction between the box and the ramp.
I have no idea how to do this with only knowing the aceleration and the angle. Please tell me how to do this.
I have no idea how to do this with only knowing the aceleration and the angle. Please tell me how to do this.
Answers
Answered by
DrBob222
help on physics
Answered by
bobpursley
The equation...
Netforcedown ramp= mass*acceleration applies
Netforce= weightdownramp-friction
= mgSinTheta- mu*mg*CosTheta
solve for mu. You need to be certain you can figure how both those terms were derived.
Netforcedown ramp= mass*acceleration applies
Netforce= weightdownramp-friction
= mgSinTheta- mu*mg*CosTheta
solve for mu. You need to be certain you can figure how both those terms were derived.
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