Asked by Anonymous
A 75 kg box slides down a 25o ramp with an acceleration of 3.6 m/s2. Find the coefficient of kinetic friction between the box and the ramp.
Answers
Answered by
bobpursley
The component of gravity down the plane is mg*SinTheta
The normal component of mg*CosTheta
So
Net force=ma
gravitydownramp-friction=ma
mgSinTheta-mg*mu*CosTheta=ma
solve for mu.
The normal component of mg*CosTheta
So
Net force=ma
gravitydownramp-friction=ma
mgSinTheta-mg*mu*CosTheta=ma
solve for mu.
Answered by
Megan
0.06
Answered by
Ellie
0.061
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