Odd one out: system quantities

Exercise and reference answers

Questions

1. Items

   1. Torque
   2. Wavelength
   3. Angular momentum
   4. Centre of mass

   Odd item

   Wavelength

2. Items

   1. r cross p
   2. r cross F
   3. a dot b
   4. omega cross r

   Odd item

   a dot b

3. Items

   1. External force
   2. Internal force
   3. Net force
   4. Refractive index

   Odd item

   Refractive index

Instructions

Tap the one that does not belong.

Explanation