The questions in this quiz are suitable for GCSE physics students studying scalar quantities, vector quantities and calculations involving forces. If you struggled with the quiz, don't panic - we've ...

A man walks a distance of 350 m. His home is 1000 m away. Calculate how far he needs to walk to get home.

Alternate title: You Khan't Divide a Vector by a Vector. Get it? Maybe you don't, but that is ok. Really, I was going to make this a video critique of Sal Khan's – video critique of my video critique.