Week 4 Revision: EBIs

See Drive folder for the questions this accompanies (sorry, internet!)

Better answers

• If a diagram shows a vehicle in motion and asks what happens when forces are balanced (i.e. force A = force B), do not say that it is stationary because it is clearly not. Say it is moving at a constant velocity. Velocity is a better word than 'speed' because it has a direction. It may be worth mentioning (if there are only forces on the front and back) that it is moving …