Forces can be contact forces or non-contact forces.
The Table shows four forces.
Table
| Force | Contact force or non-contact force |
|---|---|
| normal contact force | contact force |
| friction | |
| weight | |
| force between two magnets |
Complete the Table.
State what is meant by a non-contact force.
Name the type of field that causes the weight of an object.
Give one other example of a non-contact force that is not in the Table.