forces and vectors

  1. Explore 2D mode

    click on the explore 2D button at the bottom.

    1. drag out 2 vectors from the right called a and b.
    2. click the ‘sum’ checkbox and you’ll see a new vector pop up which is the vector sum of the two vectors you just added.
    3. Arrange a and b end-to-end and place the start of the ‘sum’ vector on the origin What do you notice?
    4. can you make the sum become zero?