Problem 1: A uniform thin rod of mass m = 4.4 kg and length L = 1.2 m can rotate aboutan axle through its center. Four forces are acting on it as shown in the figure. Their magnitudes areF1 = 4.5 N, F2 = 4.5 N, F3 = 12.5 N and F = 19.5 N. F, acts a distance d= 0.28 m from the centerF,45°of mass60°F.3Part (a) Calculate the magnitude t, of the torque due to force F1, in newton meters.1 = 2.7/ Correct!Part (b) Calculate the magnitude tz of the torque due to force F2 in newton meters.12= 0.89/ Correct!Part (c) Calculate the magnitude t3 of the torque due to force F3 in newton meters./ Correct!13 =0Part (d) Calculate the magnitude t4 of the torque due to force F, in newton meters.1=0 v Correct!Part (e) Calculate the angular acceleration a of the thin rod about its center of mass in radians per square second. Let the counter-clockwisedirection be positive.a =sin()cos()tan()89HOMEcotan()asin()acos()E AL46atan()acotan()sinh()123cosh()tanh()cotanh()ENDDegrees O RadiansBACKSPACE DELCLEARSubmitHintFeedbackI give up!

Answered: Image /qna-images/answer/7f087044-a096-4b1e-b5ef-5f9dce078c3c.jpg

Answered: Problem 1: A uniform thin rod of mass m…

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

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The figure below depicts the tire, axle, and gear of a large tractor. The entire structure is in mechanical equilibrium. Bearings support the rotating axle at points A and C attached to the tractor's frame. A force FD = 5000 lb is applied in the -z direction at point G of a gear with a 3-in radius. The force W = 1000 lb in the +z direction represents a normal force resulting from the weight of the tractor. The force Q acting in the +x direction, represents the traction force between the tire and the ground. The wheel, axle, and gear assembly weigh 150 lb with center of gravity at point D, which lies on the y axis with coordinate yp = -18 in. Points A, C, D (not seen in the figure), and E lie in the yz plane. Point G lies in the xy plane. Questions & Analysis: (a) Draw the FBD for the wheel, axle, and gear assembly if the bearings at A and B resist moments and the bearing at A is a thrust bearing. Label all unknowns. (b) Is the assembly statically determinate or statically…
Q3:-The mechanism in figure, determine the scalar component Pt and Pn which are tangent and normal respectively to crank BC
3. Determine the reactions at the pin support and the applied moment if the bar of Figure 3 has a mass of 50 g. If 0 is 15° and the angular acceleration is 20 rad/s? M 3 m W Figure 3
Q3/ A shaft has three eccentric of mass 1 kg each. The central plane of the eccentrics is 50 mm apart. The distances of the centers from the axis of rotation are 20, 30 and 20 mm and their angular positions are 120 apart. If the shaft is balanced by adding two niasses at a radius of 70 mm and at a distance 100 mm from the central plane of the middle eccentric, find the amount of the masses and their angular positions.
Question 2: The ideal spring of constant k-2.6 kN/m is attached to the disk at point A and the end fitting at point B, as shown. The spring is unstretched when OA and Oв are both zero. If the disk is rotated 15° clockwise and the end fitting is rotated 30°counterclockwise, determine the vector expression for the spring force F. ( Determine distance C so that the moment the spring force makes about the Z axis is equal to 10.82 N.m. ( A = 15°. C A 250 mm eeeeeee 900 mm k= 2.6 kN/m OB = 30° B LC 7-y 200 mm
Problem Statement Based on Problem 4-61 from the textbook. Determine the magnitude of the moment of the force F about the base line AB of the tripod. a a=4.9m b=0.5m i= 50 N J= -20 N Unique Values for Each Student: K=-75 N 1.5 m X 2 m 2 m b D B Z 1 m a A- 2.5 m y
is formed in a quar- C6-67 The lever shown in Fig. ter circular arc of radius 20 in. Plot A and B, the magnitude of the pin force at A and the force on the smooth support B, as a function of e (0° s 0s 85°), the angle at which the support is located. 125 lb B A 20 in.
4
Question 2: The ideal spring of constant k-2.6 kN/m is attached to the disk at point A and the end fitting at point B, as shown. The spring is unstretched when OA and Oв are both zero. If the disk is rotated 15° clockwise and the end fitting is rotated 30°counterclockwise, determine the vector expression for the spring force F. Determine distance C so that the moment the spring force makes about the Z axis is equal to 10.82 N.m. - A = 15°1 A 250 mm lllllll 900 mm k = 2.6 kN/m OB = 30° B G 200 mm
The bar below is 8 meters long and has a 37° F=500N negligible mass Three external forces act on it (as shown). The bar is pivoted at its left end at point A. Calculate the net torque about point A (axis at point A) on the bar. F3=1000N 53° F1=800N (sin53°=cos37°=0,8, sin37°=cos53°=0,6). 2 m 4 m 440 Nm 720 Nm 420 Nm 360 Nm 560 Nm
One of the ends of the rigid rod AB of mass m and length L = 4R is attached to the edge of the radius R disc by a pin. The other end of the rod can slide freely on the ground without friction. A motor connected to the center of the disk at point O rotates the disk at a constant angular velocity D. Find all the forces acting on the rod at the moment θ = 30 degrees and the direction OB is vertical at the moment shown in the figure.
The three configs are A, B, and C in the picture

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