Motion
Motor at O is used to produce a moment M to rotate a mechanism shown in Figure Q4 in the vertical plane at a constant rate of 0 = 10 rad/s in the counter clockwise direction. The mechanism consists of a 1.5-kg small sphere which is rigidly welded to the bent arm OAB of negligible mass.
a) Draw the free-body diagram and kinetic diagram of the mechanism. State the necessary assumptions.
[CO1/PO1/C2] (5 marks)
b) Find the dynamic-force reaction at the support and the moment applied by the motor.
[CO2/PO2/C4] (13 marks)
c) Evaluate the moment applied by the motor if the mass of bent arm OAB is to be considered.
[CO3/PO3/C6] (2 marks)
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Motor at O is used to produce a moment M to rotate a mechanism shown in...
Motor at O is used to produce a moment M to rotate a mechanism shown in Figure Q4 in the vertical plane at a constant rate of θ 10 rad/s in the counter clockwise direction. The mechanism consists of a 1.5-kg small sphere which is rigidly welded to the bent arm OAB of negligible mass. a) Draw the free-body diagram and kinetic diagram of the mechanism. State the necessary assumptions. CO1/PO1/C2] (5 marks) b) Find the dynamic-force reaction at the...
QUESTION 3 a) With a simple schematic diagram, explain why rolling motion is considered as general...
QUESTION 3 a) With a simple schematic diagram, explain why rolling motion is considered as general plane motion. Explain also why we need to assume that there is no slipping occurs during rolling motion in kinematics analysis of rolling object. [CO1/P01/C2] (5 marks) b) Pin B is welded to the disk and freely slides within the slotted arm AC as shown in Figure Q3. The disk rotates about a fixed axis through point o at an angular velocity of w...
Question 4 A homogeneous slender rod AB of mass m and length L is held in...
Question 4 A homogeneous slender rod AB of mass m and length L is held in the position shown in Figure Q4. The end A of the rod is free to move along the smooth horizontal surface. The end B of the rod is connected to rod BC of negligible mass. The rod AB is released from rest in the position shown when 0 = 60°. If the acceleration of end B is ā, = -a,j, derive the expressions in...
Explain the effect of an increasing damping ratio to the dynamic response of a second a)...
Explain the effect of an increasing damping ratio to the dynamic response of a second a) order control system. [CO1/PO2/C2] (5 marks) b) Figure Q2(b) show a block diagram of second order unity feedback control system with Proportional-Derivative control action. The system's damping ratio E of 0.5 is required and the steady state error to a unit step input must not exceed 5% C(s) 1 1 R(s) Kp+Kas (s+1) (s+5) Figure Q2(b) Analyze the performance of Proportional control action alone....
Question 1 A 10 mm thick disk of stainless steel is rotating about point O as shown in Figure 1. ...
Question 1 A 10 mm thick disk of stainless steel is rotating about point O as shown in Figure 1. A load of 5 N has been applied to point P. Include gravity in your calculations. Use the methods of static analysis, dynamic analysis and virtual work to calculate the torque required to maintain a constant counter-clockwise rotation of 500 rpm. Make sure you draw a free body diagram. You may use SolidWorks to calculate the mass and mass moment...
To apply the equations of motion to a system that involves rotation about a fixed axis and to use this information to determine key characteristics. The slender rod AB shown has a mass of m=57.0 kg an...
To apply the equations of motion to a system that involves
rotation about a fixed axis and to use this information to
determine key characteristics.
The slender rod AB shown has a mass of m=57.0 kg and is being
supported by a rope and pulley system stationed at C. Starting from
rest (in the position shown), the rope and pulley system tug on the
rod causing it to rotate about A. The torque applied to the pulley
is T=2.25 kN⋅m...
Learning Goal: To apply the equations of motion to a system that involves rotation about a...
Learning Goal:
To apply the equations of motion to a system that involves
rotation about a fixed axis and to use this information to
determine key characteristics.
The slender rod ABAB shown has a mass of m=53.0m=53.0 kgkg and
is being supported by a rope and pulley system stationed at CC.
Starting from rest (in the position shown), the rope and pulley
system tug on the rod causing it to rotate about AA. The torque
applied to the pulley is...
To apply the equations of motion to a system that involves rotation about a fixed axis...
To apply the equations of motion to a system that involves
rotation about a fixed axis and to use this information to
determine key characteristics.
The slender rod ABAB shown has a mass of m=51.0m=51.0 kgkg and
is being supported by a rope and pulley system stationed at CC.
Starting from rest (in the position shown), the rope and pulley
system tug on the rod causing it to rotate about AA. The torque
applied to the pulley is T=2.85T=2.85 kN⋅mkN⋅m...
Part I. Use the four diagrams below to answer some questions about torque. Each of...
Part I. Use the four diagrams below to answer some questions about torque. Each of the arrows represents a force of 50 newtons applied to the edge of a wheel. Each wheel can rotate around an axis located at the center of the wheel and pointing in and out of the page. The radius of each wheel is 0.1 meter. Answer A, B, C, D, or none to each question. 1. Which wheel will not rotate at all when...
Please help me figure out if I am doing these right or not and help me...
Please help me figure out if I am doing these right or not and
help me figure out what I have not answered yet
Part L. Use the four diagrams below to answer some questions about torque. Each of the arrows force of 50 newtons applied to the edge of a wheel. Each wheel can rotate around an axis each wheel is 0.1 located at the center of the wheel and pointing in and out of the page. The radius...
Motor at O is used to produce a moment M to rotate a mechanism shown in Figure Q4 in the vertical plane at a constant rate of θ 10 rad/s in the counter clockwise direction. The mechanism consists of a 1.5-kg small sphere which is rigidly welded to the bent arm OAB of negligible mass. a) Draw the free-body diagram and kinetic diagram of the mechanism. State the necessary assumptions. CO1/PO1/C2] (5 marks) b) Find the dynamic-force reaction at the...
QUESTION 3 a) With a simple schematic diagram, explain why rolling motion is considered as general plane motion. Explain also why we need to assume that there is no slipping occurs during rolling motion in kinematics analysis of rolling object. [CO1/P01/C2] (5 marks) b) Pin B is welded to the disk and freely slides within the slotted arm AC as shown in Figure Q3. The disk rotates about a fixed axis through point o at an angular velocity of w...
Question 4 A homogeneous slender rod AB of mass m and length L is held in the position shown in Figure Q4. The end A of the rod is free to move along the smooth horizontal surface. The end B of the rod is connected to rod BC of negligible mass. The rod AB is released from rest in the position shown when 0 = 60°. If the acceleration of end B is ā, = -a,j, derive the expressions in...
Explain the effect of an increasing damping ratio to the dynamic response of a second a) order control system. [CO1/PO2/C2] (5 marks) b) Figure Q2(b) show a block diagram of second order unity feedback control system with Proportional-Derivative control action. The system's damping ratio E of 0.5 is required and the steady state error to a unit step input must not exceed 5% C(s) 1 1 R(s) Kp+Kas (s+1) (s+5) Figure Q2(b) Analyze the performance of Proportional control action alone....
Question 1 A 10 mm thick disk of stainless steel is rotating about point O as shown in Figure 1. A load of 5 N has been applied to point P. Include gravity in your calculations. Use the methods of static analysis, dynamic analysis and virtual work to calculate the torque required to maintain a constant counter-clockwise rotation of 500 rpm. Make sure you draw a free body diagram. You may use SolidWorks to calculate the mass and mass moment...
To apply the equations of motion to a system that involves
rotation about a fixed axis and to use this information to
determine key characteristics.
The slender rod AB shown has a mass of m=57.0 kg and is being
supported by a rope and pulley system stationed at C. Starting from
rest (in the position shown), the rope and pulley system tug on the
rod causing it to rotate about A. The torque applied to the pulley
is T=2.25 kN⋅m...
Learning Goal:
To apply the equations of motion to a system that involves
rotation about a fixed axis and to use this information to
determine key characteristics.
The slender rod ABAB shown has a mass of m=53.0m=53.0 kgkg and
is being supported by a rope and pulley system stationed at CC.
Starting from rest (in the position shown), the rope and pulley
system tug on the rod causing it to rotate about AA. The torque
applied to the pulley is...
To apply the equations of motion to a system that involves
rotation about a fixed axis and to use this information to
determine key characteristics.
The slender rod ABAB shown has a mass of m=51.0m=51.0 kgkg and
is being supported by a rope and pulley system stationed at CC.
Starting from rest (in the position shown), the rope and pulley
system tug on the rod causing it to rotate about AA. The torque
applied to the pulley is T=2.85T=2.85 kN⋅mkN⋅m...
Part I. Use the four diagrams below to answer some questions about torque. Each of the arrows represents a force of 50 newtons applied to the edge of a wheel. Each wheel can rotate around an axis located at the center of the wheel and pointing in and out of the page. The radius of each wheel is 0.1 meter. Answer A, B, C, D, or none to each question. 1. Which wheel will not rotate at all when...
Please help me figure out if I am doing these right or not and
help me figure out what I have not answered yet
Part L. Use the four diagrams below to answer some questions about torque. Each of the arrows force of 50 newtons applied to the edge of a wheel. Each wheel can rotate around an axis each wheel is 0.1 located at the center of the wheel and pointing in and out of the page. The radius...
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