Work: 1-D EXample (constant force) A force F= 10N pushes a box across a frictionless floor for a distance ax= 5m F △X Work done by on box F=F.△X=F△x (since F is parallel to AX) WF=(10N)x(5m)=50N-m Physics 121: Lecture 12, Pg 9Physics 121: Lecture 12, Pg 9 Work: 1-D Example (constant force) A force F = 10N pushes a box across a frictionless floor for a distance x = 5m. x F Work done by F on box : WF = F ·x = F x (since F is parallel to x) WF = (10 N)x(5m) = 50 N-m