me244_hw2 - PHGA OneKey - dynamics Page 1 of 4 Online...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Online Homework System Assignment Worksheet 3/2/09 - 5:15 AM Name: ____________________________ Class: dynamics Class #: ____________________________ Section #: ____________________________ Instructor: Koray Safak Assignment: ME244 Homework #2 Question 1: (1 point) The two boxcars and have a weight of 20,000 lb and 30,000 lb, respectively. If they are freely coasting down the inclin when the brakes are applied to all the wheels of car determine the force in the coupling between the two cars. The coefficient of friction between the wheels of and the tracks is The wheels of car are free to roll. Neglect thei mass in the calculation. Suggestion: Solve the problem by representing single resultant normal forces acting on and respectively. ____________ lb Question 2: (1 point) Determine the constant speed of the chairs on the amusement park ride if it is observed that the supporting cables are directed at from the vertical. Each chair including its passenger has a mass of 80 kg. Also, what are the
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/17/2009 for the course MECHANICAL me 244 taught by Professor Korayk.şafak during the Spring '09 term at Yeditepe Üniversitesi.

Page1 / 4

me244_hw2 - PHGA OneKey - dynamics Page 1 of 4 Online...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online