Question
Asked Oct 31, 2019

In the figure provided, a crate of mass m sits at rest on a 20° ramp and is connected to another crate of mass 1.84 kg by a rope and pulley. If the coefficient of friction is μk = 0.510 and μs = 0.790 with the surface, what acceleration will the mass m have if it is slightly nudged and begins to be pulled up the ramp? Assume the rope and pulley are massless.

m
720
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m 720

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Expert Answer

Step 1

When the mass is slightly nudged, acceleration is ze...

m2g-mg(sin+ caso)-0
1.84
mm=
+[(0.79)cos(20)
sin(20)+
1.697 kg
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m2g-mg(sin+ caso)-0 1.84 mm= +[(0.79)cos(20) sin(20)+ 1.697 kg

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