VCE Physics 1&2 VCE Physics 3&4

Newton’s Third Law

Watch this video from ESA on Newton’s 3rd Law.

Answer the following questions in the comments (and/or your workbook):

  • Name one of the action-reaction pairs from when the astronauts push against each other
  • If they both experienced the same force, why does the astronaut carrying the heavy battery not move as fast as his colleague?
  • Why did only one student move from the end of the Newton’s Cradle?
  • What is the action-reaction pair for a rocket?

Use this quiz to check your understanding.

[mtouchquiz 2]

VCE Physics 1&2 VCE Physics 3&4

Force is a vector

Watch this quick video for a memorable story to remind you that force is a vector quantity.

[mtouchquiz 1]

In the comments (either here, or on Facebook), post an example of another quantity that is a vector.