An object with a mass of #7 kg# is pushed along a linear path with a kinetic friction coefficient of #u_k(x)= 1+x^2-xcos(x) #. How much work would it take to move the object over #x in [pi, 4pi], where x is in meters?
1 Answer
Feb 22, 2018
The work done is
Explanation:
Integraton by parts
The work done is
The frictional force is
The coefficient of kinetic friction is
The normal force is
The mass of the object is
The work done is