Complete the momentum rules

Exercise and reference answers

Missing parts

1. Answer

   velocity

   Choices

   1. velocity
   2. acceleration
   3. distance

2. Answer

   time

   Choices

   1. time
   2. mass
   3. energy

3. Answer

   zero

   Choices

   1. zero
   2. large
   3. constant

Complete the statement

Momentum is mass times {0}; net force equals momentum change divided by {1}; and momentum is conserved whenever the net external force is {2}.

Instructions

Tap a word for each blank to complete the rules.

Explanation