PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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3. The ball B has a mass of 10 kg and is attached to the end of a rod whose mass may be
neglected. If the rod is subjected to a torque M=(3t2 + 5t + 2) N*m, where t is in seconds,
determine the speed of the ball when t=3s. The ball has a speed v= 2 m/s when t= 0s
1.5 m
The small cylinder C has a mass of 10 kg and is attached to the
end of a rod whose mass may be neglected. The frame is subjected
to a couple of moment M = 26Nm, and the cylinder is subjected to
a force of F = (5t² + 6) N, where t is in seconds, which is
always directed in the same direction as the cylinder's velocity as
shown. The cylinder has a speed vo= 2 m/s when t = 0. (Figure 1)
Figure
0.75 m
M
1 of 1
Part A
Determine the speed of the cylinder when t = 3 s.
Express your answer to three significant figures and include the appropriate units.
v=
|μA
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M = (² + 2) N · m
0.5 m
Each ball has a negligible size and their respective mass are 7-kg and 3-kg.
Each ball is attached to the end of a rod whose mass may be neglected.
If the rod is subjected to a torque M=t2+4 N.m, where t is in seconds, detemrine the
speed of each ball when t=1.
The initial speed of each baal at t=Os is 1 m/s.
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