Homework Answers
Vector Loop: Position analysis.
Substitute individual vectors and separate i and j components.
Velocity analysis:
Consider this:
Take the derivative of the equations.
Substituting all known values:
Acceleration analysis:
Consider this:
Take the derivative of the equations.
Substituting all known values:
The crossed four-bar linkage has a constant crank angular velocity 2=10 rad/s ccw. The dimensions and...
The crossed four-bar linkage has a constant crank angular
velocity 2=10 rad/s ccw. The dimensions and the results of the
kinematic analysis are given below for the position shown. (a) Draw
the free-body diagrams of all the links of the mechanism, (b) Find
the reaction forces at all the pins and the driving torque at link
2. The gravity centers of link 2 and link 4 are located at O2 and
O4 respectively.
y A O2A-6 in, O204-18 in, AB-18...
Problem 3: The offset crank-slider linkage has the dimensions given in the figure. Develop a MATL...
solve in matlab
Problem 3: The offset crank-slider linkage has the dimensions given in the figure. Develop a MATLAB program to calculate and plot the accelerations A and Ag in the global coordinate system for 2 25 rad/sec CW and a2 -0 rad/sec2 L2-63 L3 130 offset- 52 02
Problem 3: The offset crank-slider linkage has the dimensions given in the figure. Develop a MATLAB program to calculate and plot the accelerations A and Ag in the global coordinate system...
ine given 4) In the figure aside, an in-line slider- crank mechanism is shown. a) Calculate the velocity of the cou...
ine given 4) In the figure aside, an in-line slider- crank mechanism is shown. a) Calculate the velocity of the coupler point D if crank AB is rotating CW wilth a speed of 2 rad/sec b) Calculate the necessary crank if the velocity of the coupler point is required to be 50 cm/sec, at the given position. speed AB 5am BC-10cm 0 30 degrees
ine given 4) In the figure aside, an in-line slider- crank mechanism is shown. a) Calculate...
For the slider-crank arrangement shown in the figure, a-3", b - 8" and c 0. The...
For the slider-crank arrangement shown in the figure, a-3", b - 8" and c 0. The crank O2-A is being rotated by a constant speed motor at a rate of 1 rad/s. Based on the kinematic analysis of this arrangement, it is observed that when 02 60°, 03- 108.96° and o3--0.58 rad/s2 and a3 0.02 rad/s2. Assume that links O2-A and A-B are linear and their centers of gravity falls at the middle of the lines connecting those points. ABA...
Example 2.11: The 2-inch crank on the wiper mechanism in Figure 2.85 rotates counterclockwise (CCW) at...
Example 2.11: The 2-inch crank on the wiper mechanism in Figure 2.85 rotates counterclockwise (CCW) at 15 rpm and decelerates at 5 rad/s2. At this instance, 0 = 50°. All dimensions are in inches. Use the Grashof's Criterion to determine the relevant type of the four-bar mechanism. Can the driver link rotate fully? Analyze the mobility of the machine to know its degrees of freedom. Where is a good place to locate the actuator? Use the position analysis to determine...
Problem 13.35 - Enhanced - with Hints 5 of 10 Review The figure shows three masses...
Problem 13.35 - Enhanced - with Hints 5 of 10 Review The figure shows three masses (Figure 1). Part A For help with math skills, you may want to review: Vector Addition What is the magnitude of the net gravitational force on the mi = 20 kg mass? Assume me = 8 kg and m3 = 15 kg Express your answer in newtons. Determining the Angle of a Vector View Available Hint(s) VAX O2 ? IN Submit Part B What...
Problem 3. 0 Figure 2 Given: f(t) = { 2.5, -1.5 <=<= 1.5 f(t) = {...
Problem 3. 0 Figure 2 Given: f(t) = { 2.5, -1.5 <=<= 1.5 f(t) = { 0 otherwise See figure(2) above. A) Find the Fourier transform for f( (see figure 2) and sketch its waveform. B) Determine the values of the first three frequency terms (w1, W2, W3) where F(w) = 0. C) Given x(t) = 1.58(-0.8) edt Determine whether or not Fourier transform exists for x(t). If yes, find the Fourier transfe not explain why it does not. Problem...
Q1. For the system shown in Figure1, the initial conditions are (-0)-0, 0) 2rad/s (i) Find its to...
Q1. For the system shown in Figure1, the initial conditions are (-0)-0, 0) 2rad/s (i) Find its total kinetic energy and total potential energy ii) Calculate how long the system can complete one full cycle of the movement; (iv) Determine the rotational displacement θ(1) under the given initial conditions. 30 cm 0.3 kg m2 0 cm cable 6(0)-2 rad/s 5 kg 40 kg cable 3.2 x 101N/Tm im Figure 1
Q1. For the system shown in Figure1, the initial conditions...
This assignment pertains to the planar fourbar mechanism illustrated here. Link 1 is the ground l...
This assignment pertains to the planar fourbar mechanism
illustrated here. Link 1 is the ground link and includes points O2
and O4. Link 2 connects points O2 and A. Link 3 is a rigid body
with moving pivots at points A and B, and Point P is another fixed
point on Link 3. Link 4 connects points O4 and B. A 2-D Cartesian
coordinate system is fixed to ground with its origin at O2.
Can you solve all of it...
Important Note: • It is required to solve each problem in separate sheet. • You are...
Important Note: • It is required to solve each problem in separate sheet. • You are requested to solve problems 1, 3, and 5 using AutoCAD. Problem (1) In the mechanism shown, link 2 is rotating CW at the constant rate of 4 rad/s. In the position shown, is 53. Determine: vc, 03, 04. Link Lengths: AB = 100 mm, BC = 160 mm, CD = 200 mm 160 mm 220 mm DO Problem (2) In the mechanism shown, link...
The crossed four-bar linkage has a constant crank angular
velocity 2=10 rad/s ccw. The dimensions and the results of the
kinematic analysis are given below for the position shown. (a) Draw
the free-body diagrams of all the links of the mechanism, (b) Find
the reaction forces at all the pins and the driving torque at link
2. The gravity centers of link 2 and link 4 are located at O2 and
O4 respectively.
y A O2A-6 in, O204-18 in, AB-18...
solve in matlab
Problem 3: The offset crank-slider linkage has the dimensions given in the figure. Develop a MATLAB program to calculate and plot the accelerations A and Ag in the global coordinate system for 2 25 rad/sec CW and a2 -0 rad/sec2 L2-63 L3 130 offset- 52 02
Problem 3: The offset crank-slider linkage has the dimensions given in the figure. Develop a MATLAB program to calculate and plot the accelerations A and Ag in the global coordinate system...
ine given 4) In the figure aside, an in-line slider- crank mechanism is shown. a) Calculate the velocity of the coupler point D if crank AB is rotating CW wilth a speed of 2 rad/sec b) Calculate the necessary crank if the velocity of the coupler point is required to be 50 cm/sec, at the given position. speed AB 5am BC-10cm 0 30 degrees
ine given 4) In the figure aside, an in-line slider- crank mechanism is shown. a) Calculate...
For the slider-crank arrangement shown in the figure, a-3", b - 8" and c 0. The crank O2-A is being rotated by a constant speed motor at a rate of 1 rad/s. Based on the kinematic analysis of this arrangement, it is observed that when 02 60°, 03- 108.96° and o3--0.58 rad/s2 and a3 0.02 rad/s2. Assume that links O2-A and A-B are linear and their centers of gravity falls at the middle of the lines connecting those points. ABA...
Example 2.11: The 2-inch crank on the wiper mechanism in Figure 2.85 rotates counterclockwise (CCW) at 15 rpm and decelerates at 5 rad/s2. At this instance, 0 = 50°. All dimensions are in inches. Use the Grashof's Criterion to determine the relevant type of the four-bar mechanism. Can the driver link rotate fully? Analyze the mobility of the machine to know its degrees of freedom. Where is a good place to locate the actuator? Use the position analysis to determine...
Problem 13.35 - Enhanced - with Hints 5 of 10 Review The figure shows three masses (Figure 1). Part A For help with math skills, you may want to review: Vector Addition What is the magnitude of the net gravitational force on the mi = 20 kg mass? Assume me = 8 kg and m3 = 15 kg Express your answer in newtons. Determining the Angle of a Vector View Available Hint(s) VAX O2 ? IN Submit Part B What...
Problem 3. 0 Figure 2 Given: f(t) = { 2.5, -1.5 <=<= 1.5 f(t) = { 0 otherwise See figure(2) above. A) Find the Fourier transform for f( (see figure 2) and sketch its waveform. B) Determine the values of the first three frequency terms (w1, W2, W3) where F(w) = 0. C) Given x(t) = 1.58(-0.8) edt Determine whether or not Fourier transform exists for x(t). If yes, find the Fourier transfe not explain why it does not. Problem...
Q1. For the system shown in Figure1, the initial conditions are (-0)-0, 0) 2rad/s (i) Find its total kinetic energy and total potential energy ii) Calculate how long the system can complete one full cycle of the movement; (iv) Determine the rotational displacement θ(1) under the given initial conditions. 30 cm 0.3 kg m2 0 cm cable 6(0)-2 rad/s 5 kg 40 kg cable 3.2 x 101N/Tm im Figure 1
Q1. For the system shown in Figure1, the initial conditions...
This assignment pertains to the planar fourbar mechanism
illustrated here. Link 1 is the ground link and includes points O2
and O4. Link 2 connects points O2 and A. Link 3 is a rigid body
with moving pivots at points A and B, and Point P is another fixed
point on Link 3. Link 4 connects points O4 and B. A 2-D Cartesian
coordinate system is fixed to ground with its origin at O2.
Can you solve all of it...
Important Note: • It is required to solve each problem in separate sheet. • You are requested to solve problems 1, 3, and 5 using AutoCAD. Problem (1) In the mechanism shown, link 2 is rotating CW at the constant rate of 4 rad/s. In the position shown, is 53. Determine: vc, 03, 04. Link Lengths: AB = 100 mm, BC = 160 mm, CD = 200 mm 160 mm 220 mm DO Problem (2) In the mechanism shown, link...
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