ENGR.MECH.: DYNAMICS-EBOOK>I<
14th Edition
ISBN: 9781292088785
Author: HIBBELER
Publisher: INTER PEAR
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Chapter 20.3, Problem 35P
To determine
The angular velocity of the rod,
The speed of collar
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The lamp shown in the figure is supported by a pole
AO and cables AC and AB. Each cable can sustain a
1.5 m
B
maximum tension of 500 N, and pole can withstand a
maximum compression of 300 N. Note that the force
in pole AO acts along its axis.
4 m
The coordinates of the points are: O (0, 0, 0);
A (2, -1.5, 6); B (-4, 1.5, 0); C (0, 1.5, 0)
Determine the maximum weight of the lamp that can
be supported.
2 m
6 m
/ /1.5 m
Draw all necessary FBD's to solve this problem. Put
1.5 m
units on your answers.
2 m
3 m
0.75 m
30°
1m
60°
y
F
The system shown is supported by journal bearings at points A, B, and C. The
applied force F has a magnitude of 1000N.
Take the following support reactions:
•Cx=-100 N (acting in negative x-direction)
Cy = -1000 N (acting in negative y-direction)
• By = +750 N (acting in positive y-direction)
Which of the following is closest to the magnitude of the force reaction at A in the z-
direction (i.e. Az)?
身
The static moment of the connecting rod force F in relation to the pivot point O of the crank should be calculated for the
position shown in the figure. Givens are:
r = 300 mm, F = 1,2 kN,
a =
, a = 120, $ = 600
α
A
4
X
Chapter 20 Solutions
ENGR.MECH.: DYNAMICS-EBOOK>I<
Ch. 20.3 - Prob. 1PCh. 20.3 - Prob. 2PCh. 20.3 - Prob. 3PCh. 20.3 - Prob. 4PCh. 20.3 - Prob. 5PCh. 20.3 - Prob. 6PCh. 20.3 - Prob. 7PCh. 20.3 - The disk rotates about the shaft S, while the...Ch. 20.3 - The electric fan is mounted on a swivel support...Ch. 20.3 - Prob. 11P
Ch. 20.3 - Prob. 12PCh. 20.3 - The right circular cone rotates about the z axis...Ch. 20.3 - Prob. 14PCh. 20.3 - Prob. 15PCh. 20.3 - Prob. 16PCh. 20.3 - Prob. 17PCh. 20.3 - Prob. 18PCh. 20.3 - Prob. 20PCh. 20.3 - Prob. 21PCh. 20.3 - Prob. 22PCh. 20.3 - Prob. 23PCh. 20.3 - Prob. 24PCh. 20.3 - Prob. 25PCh. 20.3 - Rod AB is attached to collars at its ends by using...Ch. 20.3 - Rod AB is attached to collars at its ends by using...Ch. 20.3 - If the rod is attached with ball-and-socket joints...Ch. 20.3 - Prob. 29PCh. 20.3 - If collar A has a speed vA = 4 m/s, determine the...Ch. 20.3 - Prob. 31PCh. 20.3 - If the collar A in Prob. 20-31 has a deceleration...Ch. 20.3 - Prob. 33PCh. 20.3 - Rod CD is attached to the rotating arms using...Ch. 20.3 - Prob. 35PCh. 20.3 - Prob. 36PCh. 20.4 - So1ve Example 20.5 such that the x, y, z axes move...Ch. 20.4 - Prob. 38PCh. 20.4 - Prob. 39PCh. 20.4 - At the instant = 60, the construction lift is...Ch. 20.4 - Prob. 41PCh. 20.4 - Prob. 42PCh. 20.4 - Prob. 43PCh. 20.4 - Prob. 44PCh. 20.4 - Prob. 45PCh. 20.4 - Prob. 46PCh. 20.4 - Prob. 47PCh. 20.4 - At the given instant the rod is turning about the...Ch. 20.4 - Prob. 49PCh. 20.4 - Prob. 50PCh. 20.4 - Prob. 51PCh. 20.4 - Prob. 52PCh. 20.4 - Prob. 53PCh. 20.4 - At the instant shown, the arm AB is rotating about...
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