Beam ABC is fixed at support A and rests (at point B) upon the midpoint of beam DE (see part a of the figure). Thus, beam, ABC may be represented as a propped cantilever beam with an overhang BC and a linearly elastic support of stiffness k at point B (see part b of the figure).
The distance from A to B is L = 10 ft, the distance from B to C is L/2 = 5 ft, and the length of beam DE is L = 10 ft. Both beams have the same flexural rigidity EI. A concentrated load P = 1700 lb acts at t lie free end of beam ABC.
Determine the reactions RA, RB+ and MAfor beam ABC. Also, draw the shear-force and bending-moment diagrams for beam ABC, labeling all critical ordinates.
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Chapter 10 Solutions
Mechanics of Materials (MindTap Course List)
- Problem 4. Part 1 100 mm C @ PROBLEM 15.160 Pin P slides in the circular slot cut in the plate shown at a constant relative speed u = 500 mm/s. Assuming that at the instant shown the angular velocity of the plate is 6 rad/s and is increasing at the rate of 20 rad/s², determine the acceleration of pin P when = 90°. 150 mm is NOT zero. Answer: a = 3.4î −15.1ĵ m/s² ) P (Hint: u is a constant number, which means that the tangential component of F is zero. However, the normal component of Part2. When 0 = 120°, u = 600 mm/s and is increasing at the rate of 30mm/s², determine the acceleration of pin P.arrow_forwardProblem 5. Disk D of the Geneva mechanism rotates with constant counterclockwise angular velocity wD = 10 rad/s. At the instant when & = 150º, determine (a) the angular velocity of disk S, and (b) the velocity of pin P relative to disk S. (c). the angular acceleration of S. Disk S R=50 mm =135° |1=√ER- Disk D Partial answers: Ō = -4.08 Â rad/s ā¸ = -233 k rad/s²arrow_forwardProblem 3. In the figure below, point A protrudes from link AB and slides in the rod OC. Rod OC is rotating with angular velocity woc = 2 rad/s and aoc = 3 rad/s² in the directions shown. Find the following, remembering to clearly define your axes and the rate of rotation of the frame. a. The angular velocity of link AB and the velocity of A relative to rod OC. m (Answers: @AB is 2.9 rad/s CCW, rxy = .58! toward C) S b. The angular acceleration of link AB and the acceleration of A relative to rod OC. Answers: αAB = 7.12 rad/s² CCW, r = 6.3 m ܐܨ toward C. B C A 30° Фос 400 mm OA=500 mm docarrow_forward
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- Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning