The best reason to assign tasks to each member of a study group is to make learning easier.
share the workload fairly.
help meetings go faster.
make students study harder.

share the workload fairly.

Explanation:

The best reason to assign tasks to each member of a study group is to share the workload fairly across the group.

Sharing the workload this way helps all students to learn and feel part of the study. Through such group works, the academic prowess of student can be assessed. Also, the group collaborating tendency of a student can be better projected.

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on