Homework Help: Physica

Posted by 1919 on Monday, July 16, 2012 at 6:08am.

a man pushes a box of mass 5 kg in a horizontal direction by 10 N force on the surface through a distance of 5m if the cofficien of kinetic friction is 0.2 the total work done on the box is

Physica - Elena, Monday, July 16, 2012 at 6:13am
Sice the friction force is
F=F(fr)=μmg,
the work is
W=F(fr)•s= μmgs

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