Where the Centre of Mass Resides
Think about the situation described below. A number of questions based on this situation are posed afterwards, each having 2 possible responses (FALSE or TRUE). We'll do some (but probably not all) of these questions in the lectures when you will all be asked to vote on which answer you think is correct. (Soon afterwards, you'll be able to see your responses, and those of the whole class at EVAF.)
1
Press 1
to signal FALSE2
Press 2
to signal TRUEWhich one of the following statements is true?:
- the center of mass of an object must lie within the object
- all the mass of an object is actually concentrated at its center of mass
- the center of mass of an object cannot move if there is zero net force on the object
- the center of mass of a cylinder must lie on its axis
- none of the above