A 60 kg body is pushed with just enough force to start it moving across a floor and the same force continuous to add afterwards the coefficient of static friction and sliding friction. 5 and. 4 respectively the acceleration of the body is
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Coefficient of static friction:
F=Ns
Ma=Ns (F=ma, N=normal force= mass×g=60*10=600newtons)
60a=600*5
a= 50 m/s^2
Coefficient of ktic (sliding) friction:
60a=600×4
a= 40 m/s^2
Initial acceleration is 50 ms2 while final constant acceleration is 40 ms2
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