Mystery #4Tier 2forces / motion
Why is a lorry so much harder to stop than a bicycle?
A bicycle and a heavy lorry can roll along at the very same speed, yet the bike can stop almost instantly, while the lorry needs a huge distance to halt. Same speed, so why is one so much harder to stop?
Your guess
What's your hunch about why a lorry needs so much more room to stop than a bike going the same speed?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
Make a guess to unlock the hints and the answer.