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A block of mass 20 kg is pushed with a horizontal force of 90N. If the coefficient of static and kinetic friction are 0.4 and 0.3, the frictional force acting on the block is (g = 10ms^(-2))

Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/90n-1935050" style="font-weight:bold;" target="_blank" title="Click to know more about 90N">90N</a> <br/>80N<br/>60N<br/>30N</p>Solution :`f_(<a href="https://interviewquestions.tuteehub.com/tag/k-527196" style="font-weight:bold;" target="_blank" title="Click to know more about K">K</a>)=mu_(k)<a href="https://interviewquestions.tuteehub.com/tag/n-568463" style="font-weight:bold;" target="_blank" title="Click to know more about N">N</a>, N=mg`</body></html>


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