2/153 The robot arm is elevating and extending simulta- neously. At a given instant, 0 = 30°, 6 = 10 deg/s constant, 1 = 0.5 m, 1 = 0.2 m/s, and i = -0.3 m/s². Compute the magnitudes of the velocity v and accel- eration a of the gripped part P. In addition, express v and a in terms of the unit vectors i and j. Ans. v= 0.296 m/s, a = 0.345 m/s² v= 0.0641 +0.289j m/s a= -0.328i 0.1086j m/s² 0.75 m P DARAAAAA 0 -x

2/153 The robot arm is elevating and extending simulta- neously. At a given instant, 0 = 30°, 6 = 10 deg/s constant, 1 = 0.5 m, 1 = 0.2 m/s, and i = -0.3 m/s². Compute the magnitudes of the velocity v and accel- eration a of the gripped part P. In addition, express v and a in terms of the unit vectors i and j. Ans. v= 0.296 m/s, a = 0.345 m/s² v= 0.0641 +0.289j m/s a= -0.328i 0.1086j m/s² 0.75 m P DARAAAAA 0 -x

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

Q5-A) A rope pulls the block up the ramp as shown in the figure. Find the following: 1. Draw a free body diagram for the block. a = 4.3 m/s? T = 2. Write the equation that sums the forces on the block that are parallel to the ramp. 3. Write the equation that sums the forces on the block that are perpendicular to the ramp. 4. What is the acceleration of the block perpendicular to the ramp? 5. What is the friction force? k = 0.45 6.0 kg 0= 30° 6. What is the tension force?
α v= A t = B Oh no! A very sad kitty is trapped on a little platform connected to a gear system, the little scoundrel! The cat is 10 feet below the cliff's edge and is too terrified to jump! Quick! Rotate the wheel at A at 4 rad/s to raise the poor creature to safety. At what speed does the platform raise? How long will it take the kitty to reach the top of the clliff's edge? The diameter of the crank and gears are dд = 1 ft, dß = 2 ft, dc = 6 ft, and dp = 2 ft D ft S www S
Bodies A and B shown in the figure are connected to each other by two ropes. Body b is located on the frictionless surface. Acismi moves down from the stop position at T=0 with a constant acceleration of 100 mm/sec2. t = 2 sec how many mm do Bodies A and B move, respectively? в A Please select one: a.200 mm down, 50 mm right b.200 mm down, 200 mm right c.200 mm down, 800 mm right d. None of them e.200 mm down, 400 mm right
Use 3 decimal places The 250-N block rests upon a level plane for which fk = 0.2. It is pulled by force P = 100N inclined at 20o with the horizontal. 1. If the 100-N pull is then removed, find the distance the block will travel. 2. Find the velocity of the block after it moves 20m starting from rest.
04/ Four masses m1, m2, m3 and m4 are 200 kg, 300 kg. 240 kg and 260 kg respectively. The corresponding radi of rotation are O.2 m, 0.15 m, O.25 m and 0.3 m respectively and the angles between Successive masses are 45, 75 and 135. Find the position and magnitude of the balance mass required, if its radius of rotation is 0.2 m. 240 kg 0.15 m 0.25 m 120 300 kg 255 45 0.2 m 200 kg 0.2 m 0.3 m 260 kg O m = 116 kg & e' 21.48 m 136 kg & e' = 71.48 m 126 kg & e'= 45.48 m 216 kg & 6'-41.48
Equation of Motion(NORMAL AND TANGENTIAL) Fn= Man Ft= Mat Given a 1400 kg car that travels along a road with increasing vertical profile y = 0.0003x². If the constant velocity of the car is 30 m/s. of the distance is at 210m, a. Determine the x-component of the velocity (m/s) of the car. b. Compute the total force (KN). a. Determine the x-component of the velocity (m/s) of the car. b. Compute the total force (KN). Hint: The slope of a line is equivalent to tanø where Ø is an angle measured from the x-axis.
104 KINEMATICS AND DYNAMICS OF PLANE MECHANISMS 14. Draw the velocity and acceleration diagrams for the Andreau engine mechanism (Fig. 4-44), and determine vD, aD, ws, and as. A w2 2 60° O,A=4.75 in. O,B=6.5 in. AB=12 in. AC-13.25 in. . ВС-2 in. CD-14.5 in. 13 in. B 5 6D 12 in. FIG. 4-45 (Probs. 15 to 17) 15. Figure 4-45 illustrates the mecha- nism of Atkinson's engine. Determine VD by the method of instant centers; оз 3 10 гаd/sec, ссw. 16. Determine the velocity of D of Fig. 4-45, using the orthogonal-velocity method; wz = 15 rad/sec, ccw. 17. Construct the velocity and acceler- ation diagrams for the mechanism of Fig. 4-45, assuming that wa 15 rad/sec, ccw, const. A on 2 and 3 S on 4, coincident with A 2. O, 1 0, 45° Determine vD and ap. 18. Construct the velocity and acceler- ation diagrams for the Whitworth quick- return motion (Fig. 4-46), and determine Vc and ac. 0,0,-1.5 in. O,A-5 in. 0,B-3 in. Вс-12 in. Wg-6 rad/sec FIG. 4-46 (Prob. 18) Digitized by Google Original from…
Q2 -1- For the mechanism shown determine for all moving points. A -The number of degrees of freedom. B-Velocity diagram. C- Acceleration diagram. D-The number of instantaneous center. (45°) AB=40mm, BC=120mm, w=12rad/s., ø= 1orod/s AB = 2 50mmn
2- The swinging motion of the upper arm may be described as the follows; 0= 10 sin 0.06 t where 0 is the relative angle between the upper arm and the trunk in sagittal plane and the time t ranged from 0 to 60 sec .plot angular position,velocity and acceleration and find the maximum acceleration.
extension of spring when θ=90°. (m) angular velocity when θ=90° (rad/s)
f m u= 0.1 So kg & 9: 10 "s? If musS m = requised furce the motion, Find to just Sturt
a.) What is the angle, measured relative to the positive x-axis, of the load's acceleration? (The correct answer is: -10.219 degrees) Just need the steps to get there b.) Three horses pull and guide a 132 kg payload down a river, exerting the forces shown in the figure, with F1 = 29 N, F2 = 38 N, F3 = 58 N, θ1 = 30°, and θ2 = 60°. What is the magnitude of the payload's acceleration? (The correct answer is: 0.7861 m/s^2)Just need the correct steps to get there