The work done is 45 J.
Given data:
• The applied force is F=15 N.
,• The distance traveled is d=3.0 m.
The work done can be calculated as,
[tex]\begin{gathered} W=Fd \\ W=(15)(3) \\ W=45\text{ J} \end{gathered}[/tex]Thus, the work done by the force is 45 J.