2. Stable objects have: 1. a low centre of gravity
2. a wide base

3. Stable objects have: 1. a low centre of gravity
2. a wide base

4. Stable objects have: 1. a low centre of gravity
2. a wide base
Unstable objects topple over because their line of action
of their weight falls outside their wheelbase.

5. Stable objects have: 1. a low centre of gravity
2. a wide base
Unstable objects topple over because their line of action
of their weight falls outside their wheelbase.

8. Stable objects have: 1. a low centre of gravity
2. a wide base