What is the difference between work group and work team?

In a team tbe members have own responsibility areas while a group is a bunch of people working on a same topic without specified responsi ilities.
Ref: sales team vs.
group work at a training.

Work team: More than one person bind together by common goal

A work group: more than one person assigned to perform a certain assignment.

When you say work group, I think it is more like people who are joined together for a certain goal and as for work team, it is more like people who works together towards achieving a certain goal.

A team is a group of workers together to achieve acommon goal,creating synergies between their skills and personalities.

Workgroup is a group working together to achieve success in their field and every person in this group has expertise and special skills ...The team is one team working to achieve one goal, too, and they have one team a great experience and skill in one thing and therefore working together

A work team is a collection of members having some certain responsibilities to achieve a common goal.
in a work team the responsibilities of each members is fixed.
A group is a collection of members also working for a common goal but responsibilities are not very well defined.
its more over volunteer participation.
Every one is open to suggest and do the work.

1.
A work group: more than one person assigned to perform a certain assignment.
Group to break after completion og task.2.
Work team: More than one person bind together by common goal.
Help each to attain set goals or target.

Group Work A group is the collection of a people which has one leader and rest of the others perform duties as per assigned by the leader of the group.
Team A team is a collection of people where all are of equal ranks and help out each other in achieving the goals.