Basic Physics Question

  • Thread starter Skittles
  • Start date
  • #1
4
0
I don't understand this:

A slow car moves at a steady 10 km/hr down a straight highway while another car zooms past at a steady 120 km/hr. Which car is has the greater net force on it?

The answer is neither, because the net force on each car is zero.

Why is it zero???
 

Answers and Replies

  • #2
486
1
Look at the definition of force.
 

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