Spot the intruder

Exercise and reference answers

Questions

1. Items

   1. F = v dm/dt
   2. F = (mv - mu)/t
   3. F = d(mv)/dt
   4. F = (dm/dt)/v

   Odd item

   F = (dm/dt)/v

2. Items

   1. Bus stops, you lurch
   2. Seat belt locks
   3. Mud flies off wheel
   4. Kicking a ball

   Odd item

   Kicking a ball

3. Items

   1. Isobaric
   2. Isochoric
   3. Isothermal
   4. Adiabatic

   Odd item

   Adiabatic

Instructions

Three belong together. Tap the one that does not.