PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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The linkage consists of two 4-kg rods AB and CD and a 18-kg bar BD. Rod CD is subjected to a
couple moment M = 16 Nxm. When 0 = 0°, rod AB is rotating with an angular velocity w = 3 rad/s.
I=1.9m
B
e
0
roo
2
D
M
Find the angular velocity w when = 52deg. Give your answer with 2 decimals.
determine the number of revolutions done by Disk E at the same time
In the image on the right, there is a red gear G1 on the
left with a radius of r1 = 2.81cm. Gear G1 is locked
to the green gear G2 with a radius of r2 = 0.734cm.
Gear G2 then shares the same axle as the blue circular
saw G3, which has a radius of r3
known to make a full rotation every T = 0.836s. Using
at least 6 significant digits in your calculations,
compute the following:
V3!
12.8cm. Gear G1 is
W1
a) The angular speed wi of gear G1. Remember
that angular speed is measured in radians per
T3
r2
unit time.
G2
b) The rim speed vi of gear G1. Since gears G1
and G2 are locked together, the rim speed of G2
is also v1.
G1
G3
c) The angular speed w2 of gear G2. Since gear
G2 and saw G3 share the same axle, the angular
speed of G3 is also w2.
d) The rim speed v3 of saw G3.
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