me244_hw3 - _m/s Question 3(1 point The block and tackle...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Online Homework System Assignment Worksheet 3/20/09 - 10:49 AM Name: ____________________________ Class: dynamics Class #: ____________________________ Section #: ____________________________ Instructor: Koray Safak Assignment: ME244 Homework #3 Question 1: (1 point) The collar has a mass of 30 kg and is supported on the rod having a coefficient of kinetic friction The attached spring has an unstretched length of 0.2 m and a stiffness N/m. Determine the speed of the collar after the applied force N causes it to be displaced m from point When the collar is held at rest. Neglect the size of the collar in the calculation. ____________ m/s Question 2: (1 point) The 2-kg collar is attached to a spring that has an unstretched length of 3 m. If it is drawn to point and released from rest determine its speed when it arrives at point Page 1 of 3 PHGA OneKey - dynamics 20.03.2009 http://phga.pearsoncmg.com/onekey/modules/configureTest.Login
Background image of page 1

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

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ____________m/s Question 3: (1 point) The block and tackle arrangement for the oil rig is shown schematically in the figure. Determine the power output of the draw-work motor necessary to lift the 600-lb drill pipe upward with a constant speed of 4 ft/s. ____________ hp Page 2 of 3 PHGA OneKey - dynamics 20.03.2009 http://phga.pearsoncmg.com/onekey/modules/configureTest.Login Question 4: (1 point) If the roller-coaster car has a speed ft/s when it is at and coasts freely down the track, determine the speed i attains when it reaches point Also determine the normal force a 150-lb passenger exerts on the car when it is at At this point the track follows a path defined by Neglect the effects of friction, the mass of the wheels, and the size of the car. ____________ ft/s ____________ N Page 3 of 3 PHGA OneKey - dynamics 20.03.2009 http://phga.pearsoncmg.com/onekey/modules/configureTest.Login...
View Full 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 / 3

me244_hw3 - _m/s Question 3(1 point The block and tackle...

This preview shows document pages 1 - 3. Sign up to view the full document.

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