What could happen if you drive a double-deck lorry with the top deck loaded and the lower deck empty? What could happen if you drive a double-deck lorry with the top deck loaded and the lower deck empty?

• Possible answers:

   
• A. The lorry will become unstable under normal braking
• B. The brakes will be less effective
• C. The lorry may overturn when cornering
• D. You'll need to change gear more often