Spot the one that does not belong

Exercise and reference answers

Questions

1. Items

   1. Gravity
   2. Air resistance
   3. Spring force

   Odd item

   Air resistance

2. Items

   1. Path-independent
   2. Zero over a loop
   3. Route-dependent

   Odd item

   Route-dependent

3. Items

   1. Displacement
   2. Kinetic energy
   3. Potential energy

   Odd item

   Displacement

Explanation