Homework #2

Problems from Marion and Thornton, chapter #2, except where otherwise noted. Due in class on Wed, Feb. 7.

2-5
Why do cars need antilock brakes? That is, what happens when the wheels of a running care lock while the driver is braking? (Tip: it has to do with the direction of the force of friction.)
2-11
2-22
2-43
2-52