**Unformatted text preview: **Friction is static friction because the car is not sliding in the radial direction. Solve: (a) The free-body diagram for the car is given in Figure 6.4. The diagram assumes the center of the curve is to the left of the car. Figure 6.4 y n mg x f s 5 m s n a rad f s 5 m s n . a rad 5 v 2 / R , F w 5 77 N 6.4 N 5 12. F x 5 ma rad 5 1 0.65 kg 21 118 m / s 2 2 5 77 N g F x 5 ma x a rad 5 4 p 2 R T 2 5 4 p 2 1 0.750 m 2 1 0.50 s 2 2 5 118 m / s 2 w x y F F x F y a rad F S 1 x T 5 1 1.0 s 2 / 1 2.0 2 5 0.50 s. 1 0.0125 21 52 kg 2 5 0.65 kg v 5 Å TR m 5 Å 1 60.0 N 21 0.90 m 2 0.80 kg 5 8.22 m / s. T 5 m v 2 R . g F x 5 ma x y x mg T n a rad 6-2 Chapter 6...

View
Full Document