A horizontal force of 1N is needed to keep a block of mass 0.25kg sliding on a horizontal surface with a constant speed. Find the coefficient of sliding friction. (g=10ms^(-2))

A horizontal force of 1N is needed to keep a block of mass 0.25kg slid

1.	A horizontal force of 1N is needed to keep a block of mass 0.25kg sliding on a horizontal surface with a constant speed. Find the coefficient of sliding friction. (g=10ms^(-2))
Answer» <html><body><p><br/></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`mu=F//N=1//0.25xx10=0.4`</body></html>