A 24-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface and the block are ?s=0.76 and ?k=0.34. A horizontal string is attached to the block and a constant tension T is maintained in the string.
The maximum static friction is μs*N where N = m*g
So max f = 0.76*24N = 18.24 N
If you pull with a tension less than this the block will not begin
to move
So the frictional force just equals the tension = 15.73 N
Now the Tension has overcome static friction and the block is
moving
Here the frictional force = μk*N = 0.34*24N = 8.16 N and the block
is accelerating
A 24-N block rests on a horizontal surface. The coefficients of static and kinetic friction between...
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