10_InstSolManual_PDF_Part4

# 10_InstSolManual_PDF_Part4 - n is the normal force applied...

This preview shows page 1. Sign up to view the full content.

10.12. Set Up: Apply to the suitcase. Let be downward. Apply to the wheel. Let the counterclockwise sense of rotation be positive. The angular velocity and angular acceleration of the wheel are related to the linear velocity and linear acceleration a of the suitcase by and Solve: (a) (b) For the suitcase, gives The free-body diagram for the suitcase is given in Figure 10.12a. Figure 10.12 gives and The free- body diagram for the wheel is given in Figure 10.12b. gives and 10.13. Set Up: For the pulley The elevator has The free-body diagrams for the elevator, the pulley and the counterweight are given in Figure 10.13. Apply to the elevator and to the counterweight. For the elevator take upward and for the counterweight take downward, in each case in the direction of the acceleration of the object. Apply to the pulley, with clockwise as the positive sense of rotation.
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: n is the normal force applied to the pulley by the axle. The elevator and counterweight each have acceleration a . Figure 10.13 x y m 1 g T 1 a Elevator x m 2 g T 2 y a Counterweight Mg n T 1 T 2 1 Pulley a 5 R a . g t 5 I a 1 y 1 y g F S 5 m a S m 1 5 22,500 N 9.80 m / s 2 5 2300 kg. I 5 1 2 MR 2 . I 5 TR a 5 1 124 N 21 0.400 m 2 3.82 m / s 2 5 13.0 kg # m 2 TR 5 I a g t 5 I a T 5 m 1 g 2 a 2 5 1 15.0 kg 21 9.80 m / s 2 2 1.53 m / s 2 2 5 124 N. mg 2 T 5 ma g F y 5 ma y y mg Mg x a T T n (a) (b) a 5 a y R 5 1.53 m / s 2 0.400 m 5 3.82 rad / s 2 . a y 5 v y 2 2 v y 2 2 1 y 2 y 2 5 1 3.50 m / s 2 2 2 2 1 4.00 m 2 5 1 1.53 m / s 2 . v y 2 5 v y 2 1 2 a y 1 y 2 y 2 v y 5 3.50 m / s. v y 5 0, y 2 y 5 4.00 m, v 5 v R 5 3.50 m / s 0.400 m 5 8.75 rad / s a 5 R a . v 5 R v v a v g t 5 I a 1 y g F y 5 ma y 10-4 Chapter 10...
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern