Spot the one that does not fit

Exercise and reference answers

Questions

1. Items

   1. A scalar
   2. Torque
   3. Greek tau
   4. Newton metre

   Odd item

   A scalar

2. Items

   1. Rigid body
   2. Fixed shape
   3. Distances fixed
   4. Deforms freely

   Odd item

   Deforms freely

3. Items

   1. Net force zero
   2. Net torque zero
   3. Equilibrium
   4. Spinning faster

   Odd item

   Spinning faster

4. Items

   1. Translation
   2. Rotation
   3. Rolling energy
   4. Radiation

   Odd item

   Radiation

Instructions

Tap the item that does not belong with the rest.

Explanation