PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Chapter 12, Problem 172P
The rod OA rotates clockwise with a constant angular velocity of 6 rad/s. Two pin-connected slider blocks, located at B. move freely on OA and the curved rod whose shape is a limaҫon described by the equation r = 200(2-cos θ) mm. Determine the speed of the slider blocks at the instant θ = 150°.
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End A of the 3.6-ft link has a velocity of 3.7 ft sec in the direction shown. At the same instant, end B has a velocity whose magnitude is
4.4 ft/sec as indicated. Find the angular velocity w of the link in two ways. The angular velocity of the link is positive if
counterclockwise, negative if clockwise.
A
VA = 3.7 ft/sec
40°
Answer: w=
3.6'
B
B
VB = 4.4 ft/sec
rad/sec
3. The two sliders at B move freely on OA and the curved rail and
are pin connected so they move together as one. The curved rail
is described by the equation r = 200 (2- cos ) mm. If the
speed of the collar is 400 mm/s when = 160°, what is the
angular velocity 0 of the rod OA at this instant?
ė
A
r
600 mm
6 rad/s
0.
400 mm
200 mm
At the instant shown, slider moves to the left along the horizontal surface with . The collar at is pin connected and rod slides freely through it. At the instant shown, the relative acceleration of point B with respect to point C is a_B/C = a_B - a_C = 3.10 i + 0.634 j ft/s^2. Determine the angular velocity and angular acceleration of rod at this instant.
Chapter 12 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
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