A platform is rotating at an angular speed of 2.2 rad/s. A block isresting on th

Question

A platform is rotating at an angular speed of 2.2 rad/s. A block isresting on this platform at a distance of 0.30m from the axis. Thecoefficient of static friction between the block and the platformis 0.75. Without any external torque acting on the system the blockis moved towards the axis. Ignore the moment of inertia of theplatform and determine the smallest distance from the axis at whichthe block can be relocated and still remain in the place as theplatform rotates.


Please help me with this question. ASAP

Explanation / Answer

to find the smallest distance , you will need this formula rf =[o2 ro4 /s g]1/3

all it is is plugging in numbers now to find distance, should besimple

good luck,Sammy

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