 Skip Navigation  Newton's Third Law  Best Score Practice
Newton's Third Law Best Score Practice Now  Newton's Third Law
Key Equations    Example 1          Watch this Explanation
Time for Practice    1. You are standing on a bathroom scale.
Can you reduce your weight by pulling up on your shoes? (Try
it.)   2. A VW Bug hits a huge truck head-on. Each vehicle was
initially going 50 MPH.     1. Which vehicle experiences the
greater force?     2. Which experiences the greater
acceleration? Explain briefly.   3. You and your friend are
standing on identical skateboards with an industrial-strength
compressed spring in between you. After the spring is released,
it falls straight to the ground and the two of you fly apart.
1. If you have identical masses, who travels farther?     2. If
your friend has a bigger mass who goes farther?     3. If your
friend has a bigger mass who feels the larger force?     4. If
you guys have identical masses, even if you push on the spring,
why isn’t it possible to go further