*7-4. The beam-column is fixed to the floor and supports the load shown. Determine the normal force, shear force, and moment at points A and B. 5 kN 0.8 kN m 2.5 kN 0.6 m 0.4 m A 0.2 m 2 m B Prob. 7-4
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- Force Tyler and his cousin Kelly have attached a rope to the branch of a tree and tied a board to the other end to form a swing. Tyler sits on the board while his cousin pushes him through an angle of 25.5 and holds him there. If Tyler weighs 95.5 pounds, find the magnitude of the force Kelly must push with horizontally to keep Tyler in static equilibrium. See Figure 1. Figure 1Force Tyler and his cousin Kelly have attached a rope to the branch of a tree and tied a board to the other end to form a swing. Tyler sits on the board while his cousin pushes him through an angle of 25.5 and holds him there. If Tyler weighs 95.5 pounds, find the magnitude of the force Kelly must push with horizontally to keep Tyler in static equilibrium. See Figure 13.- Determine the magnitude of the resultant force acting on the gusset plate of the bridge truss. 7-200 N F-400 N Fy-300 N
- (4) A vertical 480 N force is applied as shown on the three-bar frame that is supported at pin A and roller B. Determine the magnitudes of the connection forces at pin C and pin E. Ans: C 824 N, E = 561 N 160 mm B 480 N 60 mm D 80 mm E -150 mm- 60 mm 100 mm.7.53 Question Help Find the work done in pushing a car along a level road from point Ato point B. 88 feet fromA. while exerting a constant force of 103 pounds Round to the nearest foot-pound The work done isfoot-pounds. Enter your answer in the answer box and then click Check Answer. All parts showing School Sxemh85d.execute-api.us-east-1.amazonaws.com... WTwo particles have a mass of 7 kg and 15 kg, respectively. Part A If they are 800 mm apart, determine the force of gravity acting between them. Express your answer to three significant figures and include the appropriate units.
- -clasroom Newsela | Join A Cl. Play Kahoot! E GOogle Docs - crea. SEPUP Cell Si mulati.. Solutions (O Aigebi. O FUNCTIONS AND LINES OO O O Dennis Word problem on direct variation For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 90 N acts on a certain object, the acceleration of the object is 10 m/s. If the acceleration of the object becomes 9 m/s", what is the force? ON Explanation Check O2021 McGraw-Hill Education. All Rights Reserved. Terms of Use40. (a) A horizontal force of 20 lb is applied to the handle of a gearshift lever as shown. Find the magnitude of the torque about the pivot point P. (b) Find the magnitude of the torque about P if the same force is applied at the elbow Q of the lever. 20 lb 2 ft 0.6 ft P 0.6 ft 1 ft5. At the instant of take-off, a long jumper has a forward (horizontal) velocity of 15m/sec and a vertical velocity of 10m/sec. Find the angle of take-off (relative to the horizontal) and the magnitude of the resultant velocity vector. 9ME
- In conclusion, state the relationship between the mass of the spherical object and the distances they were let to roll with reference to the ramp to the knock-back distance of catcher 1. What implications do these relationships give concerning the magnitude of the force which causes the knocking-back of catcher 1?A small rocket is fired from a launch pad 15 m above the ground with an initial velocity (250,350,500) m/s. A cross wind blowing to the north produces an acceleration of the rocket of 3 m/s Assume the x-axis points east, the y-axis points north, the positive z-axis is vertical (opposite g), and the ground is horizontal. Answer parts a through d. 2. 三 a. Find the velocity and position vectors for t2 0. The velocity vector is v(t) = HPlanet Z has two moons namely Zig and Zog. Zig orbits Z 23,458 kilometers from the planet's center while Zog is circling Z 9,376 kilometers from its center. Suppose that both moons orbit Z in a uniform circular path and complete one revolution in 686 earth days and neglecting any other forces, Which moon has a larger angular speed? Explain your answer using computations. b. а. Which moon has a greater linear speed? Explain your answer using computations. 3.
