A heavy box of mass 20 kg is placed on a horizontal surface . If coefficient of kinetic friction between the box and the horizontal surface . Is 0.25 calculate the force of kinetic friction Also calculate acceleration produced under a force of 98 N applied horizontally ?

Speed

00:00

02:33

A heavy box of mass 20 kg is placed on a horizontal surface . If coefficient of kinetic friction between the box and the horizontal surface . Is 0.25 calculate the force of kinetic friction Also calculate acceleration produced under a force of 98 N applied horizontally ?

(a) The force on 7 th coin is due to weight of the three coins lying above it Therefore

\({F}={\left({3}{m}\right)}{k}{g}{f}={\left({3}{m}{g}\right)}{N}\)

where g is acceleration due to gravity . This force acts vertically downwards .

(b) The eighth coin is alredy under th

\({F}={\left({3}{m}\right)}{k}{g}{f}={\left({3}{m}{g}\right)}{N}\)

where g is acceleration due to gravity . This force acts vertically downwards .

(b) The eighth coin is alredy under th

To Keep Reading This Answer, Download the App

4.6

Review from Google Play

To Keep Reading This Answer, Download the App

4.6

Review from Google Play

Correct24

Incorrect0

Still Have Question?

Load More

More Solution Recommended For You