!!(read image)!! Each of the sliding bars A and B engages its respective rim of the two riveted wheels without slipping. If, in addition to theinformation shown, bar 4 has an acceleration of 7 m/sec² to the right and there is no acceleration of bar B, calculate themagnitude of the acceleration of P for the instant depicted.A-0.2 m/sec320 mmP340 mmB0.9 m/seca of P= -7m/sec^2X

Answered: Image /qna-images/answer/ae2f32ea-a36e-48b8-b62d-d8bd27ef2b52.jpg

Answered: Each of the sliding bars A and B…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Collars A and B slide along the fixed right-angle rods and are connected by a cord of length L - 7.5 m. Determine the acceleration of collar B when y - 2.9 m if collar A is given a constant upward velocity va - 1.39 m/s. The acceleration of B is positive if to the right, negative if to the left. Answer: ag - m/s?
If bar AB has an angular velocity w AB = 4 rad/s, determine the velocity of the slider block C at the instant shown. 30° 200 mm B 150 mm WAB = 4 rad/s 60°
A P -24 in. B r = 8 in. C E D Fig. P8.115, P8.116, and P8.117
The portion AOB of a mechanism consists of a 400-mm steel rod OB welded to a gear E of radius 120 mm which may rotate about a horizontal shaft O. It is actuated by a gear D and, at the instant shown, has a clockwise angular velocity of 8 rad/s and a counterclockwise angular acceleration of 40 rad/s². Knowing that rod OB has a mass of 3 kg and gear E a mass of 4 kg and a radius of gyration of 85 mm, determine (a) the tangential force exerted by gear D on gear E, and (b) the components of the reaction at shaft O. 120 mm 00. On If 400 mm
4) Two rods ADB and DE are connected to three collars as shown. Knowing that the angular velocity of ABD is 5 rad/s clockwise and the angular velocity of ABD is 0.2 rad/s? counterclockwise determine at the instant shown a. The angular velocity of DE b. The angular acceleration of DE 9 in. D 9 in. B 9 in. 9 in.-9 in.-
3. The rod OB rotates counterclockwise about O at the constant angular speed of 30 rev/min while the collar A slides toward B with the constant speed 3 ft/s, measured relative to the rod. When the collar A is in the position R=0.6 ft, 0= 20°. Find the acceleration of the collar at this point. (25) x
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 limacon described by the equation =200(2?cos?)mm. Determine the magnitude of the acceleration of the slider blocks at the instant ?= 155 degrees. B 6 rad/s 400 mm 600 mm 200 mm
The 5-kg collar has a velocity of 5 m/s to the right when it is at A (Figure 3). It then travels down along the smooth guide. Determine the speed of the collar when it reaches point B, which is located just before the end of the curved portion of the rod. The spring has an unstretched length of 100 mm and B is located just before the end of the curved portion of the rod. 200 mm A wwww... 200 mm k = 50 N/m B
Problem 3: The portion AOB of the mechanism is actuated by gear D and at the instant shown has a clockwise angular velocity of 8 rad/s and a counterclockwise angular acceleration of 40 rad/s. If the arm OB is welded to the shaft at 0, determine reaction(s) that act upon the arm OB at the point O at the given instant. 120 mm D E mẸ = 4 kg 400 mm %3D kE = 85 mm тов 3 3 kg B
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3. The collar of negligible size has a mass of 0.25 kg and is attached to a spring having an unstretched length of 100 mm. If the collar is released from rest at A and travels along the smooth guide, determine its speed just before it strikes B. A 400 mm 200 mm k= 150 N/m² B
For the beam, why is the moment Mo negative? if i were to take the fixed point at A, Mo gives a smiling face which is the convention for positive. However, if i were to take the fixed point at B, Mo gives a sad face which is the convention of negative. So which fixed point should i take to determine the sign convention and why

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