AB = DE = 150 mm ; BC = CD = 450 mm ; EF = 375 mm. The crank AB makes an angle of 45° with the horizontal and rotates about A in the clockwise direction at a uniform speed of 120 r.p.m. The lever DC oscillates about the fixed point D, which is connected to AB by the coupler BC. The block F moves in the horizontal guides, being driven by the link EF. Determine: 1. velocity of the block F, 2. angular velocity of DC. 375 mm

AB = DE = 150 mm ; BC = CD = 450 mm ; EF = 375 mm. The crank AB makes an angle of 45° with the horizontal and rotates about A in the clockwise direction at a uniform speed of 120 r.p.m. The lever DC oscillates about the fixed point D, which is connected to AB by the coupler BC. The block F moves in the horizontal guides, being driven by the link EF. Determine: 1. velocity of the block F, 2. angular velocity of DC. 375 mm

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A general pinjointed fourbar linkage is shown in the figure below. It has the followings: The link lengths are L1 = 8.50 in., L2 = 3.00 in., L3 = 5.00 in. and L4 = 4.50 in. The values of θ1 = 0, θ2 = 60°, and θ4 = 119°. The angular velocity of link2 ω2 = 10 rad/s CCW. The angular velocities of link 3 ω3 and and link 4 ω4 are: Select one: a. ω3 = 5.29 rad/s CW, ω4 = 4.80 rad/s CCW b. ω3 = 5.29rad/s CW, ω4 = 6.14 rad/s CW c. ω3 = 3.94 rad/s CCW, ω4 = 4.8 rad/s CCW d. ω3 = 3.94 rad/s CCW, ω4 = 6.14 rad/s CCW
In the mechanism shown below, points E and B have the same vertical coordinate. Find the velocities of points B. C, and D of the double-slider mechanism shown in the figure if Crank 2 rotates at 42 rad/s CCW. And all forces acting. D 6. EA - 0.55" AB - 2.5" AC - 1.0" CB = 1.75" CD - 2.05" 0.75"- 4 3 60 A
In the mechanism shown below, points E and B have the same vertical coordinate. Find the velocities of points B. C, and D of the double-slider mechanism shown in the figure if Crank 2 rotates at 42 rad/s Ccw. And all forces acting. D EA = 0.55" AB - 2.5" AC = 1.0" 0.75" CB = 1.75" CD - 2.05" C 4 E O B 3 °2 60
The lengths of various links of a mechanism, as shown in Figure 2, are: OA = 0.3 m; AB = 1 m; CD = 0.8 m; and AC = CB. A 45° B| Figure 2: Slider cranck mechanism 3.1. Draw the displacemt diagram to a scale. 3.2. Determine the velocity of piston B if the crank OA rotates at 160 r.p.m in the clockwise direction. 3.3. Calculate the velocity of point C.
In the Four-bar linkage shown in the figure below Va= 60in/sec. A and B are points in the same link. (A) Find the velocity if B. (B) Find the angular velocity of link 3
In the mechanism shown in figure, link 3 is fixed on slider B so it is exactly perpendicular to link 2. If W3 = 100 rad/sec CCW, find the velocity C when : B 3 = 100 degrees 10".
In the crank and rocker mechanism, AD = 2½ in.; AB = 1¼ in.; DC = 1% in.; BC = 2% in. Angle BAD = 60°. (1) Name the links of this four-bar linkage. (2) Move the link AB through an angle of 30° each side of its present position and find the corresponding positions of BC and DC. (3) If the angular speed of AB is 1 rad/sec, find the angular speed of DC and BC in the position shown.
theta O = 55 The link length and value of O2 for some four bar linkage are defined below, (drive link =4.2 cm , coupler link =5.9 cm , follower link = 5.9 cm, fixed link= 6.85 cm 1. draw the linkage to scale and graphically find all possible solution (both open and cross) for 03 and O4 2. If w = 2 rad /s (CCW) find the angular velocity for bar 3 and 4 3.if a= 5 rad/s? (Ccw) find the normal and tangential acceleration for link 3 and 4
O2BCO4 is a four-bar linkage. O2 and O4 are fixed centers on a horizontal line 10 in apart. O2B is a link 5 in long oscillating about O2. O4C is a crank 2 1⁄2 in long which rotates about O4. BC is a connecting rod 11 1⁄2 in long. O2 is to left of O4. A link, EF, 6 in long, is pinned to O2B at E, 1 1⁄2 in from B. Another link, GF, 3 1⁄2 in long, is pinned to link BC, 4 in from C. These links, EF and GF, are pinned together at F in their upper position.Trace the paths of the points F and G while driver O4C makes 1 complete revolution. Find points for each 15o position of O4C and any others necessary in order to secure a smooth curve.
Q1: For the four-bar linkage shown in Figure (1), link 2 has a constant angular velocity of 56 rad/s ccw. Find the velocity and acceleration of point C. AO2 = 150 mm, BA = BO, = 250 mm, O4O, = 100 mm, CA = 300 mm. and BC-AB %3D if 3. Figure (1) 105°
(Figure shows a quick return mechanism. The cranks OA rotates clockwise uniformly. OA = 2 cm, 00' = 4 cm. The ratio of time for forward motion to that for return motion is B O
3.9 The linkage in Fig. 3-10 has 0,A = 8mm, AB = 19. 3mm, AC = 13. 3mm, and offset = %3D 3. 8mm. The crank angle in the position shown is 34. 3° and ZBAC =38. 6°. Find wz, vA, VB, Vc for the position shown for w, = 15rad/s in the direction shown. ( Choose two methods) 1) Use the velocity difference graphical method. 2) Use the instantaneous center graphical method. 3) Use the analytical method. @2 B offset 02 Fig. 3-10