The centre of mass

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   The centre of mass moves as if all the mass were concentrated there.

2. Statement is true

   Yes

   Statement

   All the external forces can be treated as acting at it.

3. Statement is true

   No

   Statement

   The centre of mass must lie inside the body.

4. Statement is true

   Yes

   Statement

   Its velocity is given by V = P over M.

Instructions

Tap True or False for each statement.

Explanation