Homework Statement
When I rub an object against another object, will the electron transfer always be fixed? As in, the object from which the electrons flow will always be the same object or will the objects swap roles? Why?
Homework Equations
No equations required for answering this...
Homework Statement
Discuss how a person's body is affected when lifting both light and heavy objects.
Homework Equations
No equations provided.
The Attempt at a Solution
The body's centre of gravity will be shifting at every moment. (I have a really poor grasp and understanding of...