Please help with the Question!

topsquark

Forum Staff
Apr 2008
3,106
659
On the dance floor, baby!
The kinetic friction force is \(\displaystyle f_k = \mu N\). How much work is done by friction over the rough patch? How does this affect the kinetic energy?

-Dan
 
Feb 2020
18
0
Hong Kong
the work done by friction is 205.47N.
It will reduce the kinetci energy?