Here’s a good example of how non-moving objects can be analyzed for missing components by setting the acceleration term in Newton’s second law to zero. (Although I’ve never tried this one, I can only imagine that in the real world, the tire would actually be moving.)

[am4show have=’p9;p58;’ guest_error=’Guest error message’ user_error=’User error message’ ]

Click here to go to next lesson on Using Newton’s Laws Together.

[/am4show]