chap 17 test

# chap 17 test - l. A cord is wrapped around a homogeneous...

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

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

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: l. A cord is wrapped around a homogeneous disk of radius r = 0.5 m and has a mass of m = 15 kg. If the cord is pulled upward with a force of T = 180 N, determine a) the acceleration of the center of the disk , aC and b) the angular acceleration of the disk, OLC. 41:26: T.. mt}: may [80- t§(9.8!)_ Z’qM/‘T ._ . 5,, D .4 l [5' 7 .— : (2M6: lvr '3 I04 [30('S __ (774 O( 3 7,” (fa/ 2. A 20-lb uniform disk is placed in contact with an inclined surface as shown. A constant moment M = 7.5 ft lb is then applied. The kinetic coefﬁcient of friction between the disk and incline uk = 0.4. The weight of the link AB is negligible. Determine a) the angular acceleration of the disk and b) the force in the link AB. 3. A uniform rod of length L = 10 meters with a mass of '50 kg is supported by a cable at B and a pin at C. The length b : 2 meters. The cable at B suddenly breaks. Determine at this instant a) the acceleration of the end at B, and b) the reaction (total force in Newtons) on the pin at C. 1c 3 é(50)(10>z + 50(3) = as“.ng ISA/1C: 50(93l)? = Ion/C 04; :. 1.6% r/S a") 60(930 c l 06: rd: 80.63135 3 :- l3.58 141/“ch 07, I (.7 + SCH”) ': g" 06y =‘- Soar/me) : CY : 233.3 N l + M Eg:(‘x:o ...
View Full Document

## This note was uploaded on 02/17/2011 for the course MAE 2323 taught by Professor B.p.wang during the Spring '08 term at UT Arlington.

### Page1 / 3

chap 17 test - l. A cord is wrapped around a homogeneous...

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

View Full Document
Ask a homework question - tutors are online