Answer:
The work done by the frictional force is 600J.
Explanation:
The work [tex]W[/tex] done by the frictional force is
[tex]W= Fd[/tex].
Now, [tex]F = 60N[/tex] and [tex]d =10m[/tex]; therefore,
[tex]W= (60N)(10m)[/tex]
[tex]\boxed{W = 600J.}[/tex]
Hence, the work done by friction is 660J.