A body of mass 2kg initially at rest moves under the action of an applied horizontal force of 7N on a table with coefficient of kinetic friction 0.1.
a) work done by the applied force in 10seconds
b) work done by friction in 10 seconds
c)work done by net force on the body in 10 seconds
d) change in kinetic energy of the body in 10 seconds
and interpret your results.