Homework Answers
Add Answer to:
The figure shows a trolley of mass M, which runs on a frictionless horizontal plane. A...
Frictionless plane M 1.) Consider the coupled system shown at the right. The mass M is...
Frictionless plane M 1.) Consider the coupled system shown at the right. The mass M is free to slide on a frictionless surface and is connected to the wall with a spring of spring constant k. Mass M2 is 2000 attached to My with taut rope of length (it acts as a pendulum). The vertical line shows the equilibrium position when the spring is un- stretched (r = 0). The coordinates 21 and 12 denote the positions of the two...
Q4 A ring of mass M and radius R is attached so that it can pivot asone of a rod of mass M and length 2R. the syste...
Q4 A ring of mass M and radius R is attached so that it can pivot asone of a rod of mass M and length 2R. the system is suspended by a pin at the other end of the rod and all in a uniform gravitational field,g; thus forming a double pendulum. The motion is restricted to a plane A) Show that the kinetic energy and potential energy can be written for small oscillations as: B) Find the natural frequencies...
Figure 5 shows a pick-up truck of a total mass mi transporting a small cart of a mass m2. The sma...
Figure 5 shows a pick-up truck of a total mass mi transporting a small cart of a mass m2. The small cart is hitched through two springs of axial stiffness k each to the truck (b) body. Absolute displacement of the truck is xi while that of the cart is x2 (i) Find the relative motion (n-m) of the cart when the truck is subjected to a (7 marks) Find the natural frequencies and mode shapes of this two-degree-of-freedom harmonic...
Vibration Engineering Figure Q5(b) shows a motor having mass of 50 kg is mounted on the...
Vibration Engineering
Figure Q5(b) shows a motor having mass of 50 kg is mounted on the cantilever beam of length l = 0.3 m. The motor is supported by two springs of stiffness k = 2 kN/m each. The cantilever is made of steel (stiffness, k = 3E1 Young's modulus E = 209 MPa, moment of inertia, I = 1.5 x 10 kg.m²). i) Determine total stiffness of the system. 7 marks) ii) Determine the natural frequency of the system....
Q4 A ring of mass M and radius R is attached so that it can pivot...
Q4 A ring of mass M and radius R is attached so that it can pivot asone of a rod of mass M and length 2R. the system is suspended by a pin at the other end of the rod and all in a uniform gravitational field,g; thus forming a double pendulum. The motion is restricted to a plane A) Show that the kinetic energy and potential energy can be written for small oscillations as: B) Find the natural frequencies...
Problem 1: For the system in figure (1-a), the spring attachment point B is given a horizontal motion Xp-b cos cut from the equilibrium position. The two springs have the same stiffness k 10 N/m and...
Problem 1: For the system in figure (1-a), the spring attachment point B is given a horizontal motion Xp-b cos cut from the equilibrium position. The two springs have the same stiffness k 10 N/m and the damper has a damping coefficient c. Neglect the friction and mass associated with the pulleys. a) Determine the critical driving frequency for which the oscillations of the mass m tend to become excessively large. b) For a critically damped system, determine damping coefficient...
A2. Two identical simple pendulums are connected via a spring as it is shown in Figure A2. The length of the pendulum strut L-0.5m and the mass of attached bob m-2kg, the stiffness coefficient of the...
A2. Two identical simple pendulums are connected via a spring as it is shown in Figure A2. The length of the pendulum strut L-0.5m and the mass of attached bob m-2kg, the stiffness coefficient of the connecting spring is k-80Ns/m. 02 Figure A2. a) Using the free-body diagram method derive the following governing equations for the coupled pendulum system which are given below in matrix form b) Using the characteristic equation method or transformation to principal coordinates find out two...
Q1. For the system shown in Figure 1 where the beam with mass m and length...
Q1. For the system shown in Figure 1 where the beam with mass m and length L is connected to the fixed surfaces through three springs with same stiffness k, (i) Calculate the total kinetic energy and total potential energy of the system; (ii) Derive the equation of motion in terms of rotation angle 0; (iii) Find the natural frequency of the system; (iv) Calculate the natural period if the stiffness k of all springs is doubled; (v) If the...
2: An automobile is traveling on a rough road (1) Draw the free-body diagrams of the...
2: An automobile is traveling on a rough road (1) Draw the free-body diagrams of the two masses and set up the equations of motion using the vertical displacements of the two masses. Note that the base excitation function y(t) is also in the vertical direction. Put the equations in matrix form Identify the mass matrix and stiffness matrix (2) Solve the structural eigenvalue problem to find the natural frequencies and mode kN shapes considering such data: m1 1000 kg,...
The figure shows the mass m at the end of a bar of length / is...
The figure shows the mass m at the end of a bar of length / is restrained by a spring and dashpot. The mass is initially at rest and vibrates in the vertical plane under the action of the force F(1). Determine the equation of motion, natural frequency, and damping ratio of the system when m = 45 kg, k = 9700 N/m, c = 950 N.s/m, a - 0.8 m, and I = 2 m. Neglect the mass of...
Frictionless plane M 1.) Consider the coupled system shown at the right. The mass M is free to slide on a frictionless surface and is connected to the wall with a spring of spring constant k. Mass M2 is 2000 attached to My with taut rope of length (it acts as a pendulum). The vertical line shows the equilibrium position when the spring is un- stretched (r = 0). The coordinates 21 and 12 denote the positions of the two...
Q4 A ring of mass M and radius R is attached so that it can pivot asone of a rod of mass M and length 2R. the system is suspended by a pin at the other end of the rod and all in a uniform gravitational field,g; thus forming a double pendulum. The motion is restricted to a plane A) Show that the kinetic energy and potential energy can be written for small oscillations as: B) Find the natural frequencies...
Figure 5 shows a pick-up truck of a total mass mi transporting a small cart of a mass m2. The small cart is hitched through two springs of axial stiffness k each to the truck (b) body. Absolute displacement of the truck is xi while that of the cart is x2 (i) Find the relative motion (n-m) of the cart when the truck is subjected to a (7 marks) Find the natural frequencies and mode shapes of this two-degree-of-freedom harmonic...
Vibration Engineering
Figure Q5(b) shows a motor having mass of 50 kg is mounted on the cantilever beam of length l = 0.3 m. The motor is supported by two springs of stiffness k = 2 kN/m each. The cantilever is made of steel (stiffness, k = 3E1 Young's modulus E = 209 MPa, moment of inertia, I = 1.5 x 10 kg.m²). i) Determine total stiffness of the system. 7 marks) ii) Determine the natural frequency of the system....
Q4 A ring of mass M and radius R is attached so that it can pivot asone of a rod of mass M and length 2R. the system is suspended by a pin at the other end of the rod and all in a uniform gravitational field,g; thus forming a double pendulum. The motion is restricted to a plane A) Show that the kinetic energy and potential energy can be written for small oscillations as: B) Find the natural frequencies...
Problem 1: For the system in figure (1-a), the spring attachment point B is given a horizontal motion Xp-b cos cut from the equilibrium position. The two springs have the same stiffness k 10 N/m and the damper has a damping coefficient c. Neglect the friction and mass associated with the pulleys. a) Determine the critical driving frequency for which the oscillations of the mass m tend to become excessively large. b) For a critically damped system, determine damping coefficient...
A2. Two identical simple pendulums are connected via a spring as it is shown in Figure A2. The length of the pendulum strut L-0.5m and the mass of attached bob m-2kg, the stiffness coefficient of the connecting spring is k-80Ns/m. 02 Figure A2. a) Using the free-body diagram method derive the following governing equations for the coupled pendulum system which are given below in matrix form b) Using the characteristic equation method or transformation to principal coordinates find out two...
Q1. For the system shown in Figure 1 where the beam with mass m and length L is connected to the fixed surfaces through three springs with same stiffness k, (i) Calculate the total kinetic energy and total potential energy of the system; (ii) Derive the equation of motion in terms of rotation angle 0; (iii) Find the natural frequency of the system; (iv) Calculate the natural period if the stiffness k of all springs is doubled; (v) If the...
2: An automobile is traveling on a rough road (1) Draw the free-body diagrams of the two masses and set up the equations of motion using the vertical displacements of the two masses. Note that the base excitation function y(t) is also in the vertical direction. Put the equations in matrix form Identify the mass matrix and stiffness matrix (2) Solve the structural eigenvalue problem to find the natural frequencies and mode kN shapes considering such data: m1 1000 kg,...
The figure shows the mass m at the end of a bar of length / is restrained by a spring and dashpot. The mass is initially at rest and vibrates in the vertical plane under the action of the force F(1). Determine the equation of motion, natural frequency, and damping ratio of the system when m = 45 kg, k = 9700 N/m, c = 950 N.s/m, a - 0.8 m, and I = 2 m. Neglect the mass of...
Most questions answered within 3 hours.
-
The activation energy for a given reaction is 50.3 kJ/mol. If
the rate constant for the...
asked 12 minutes ago -
An entomologist discovers a dung beetle rolling a ball of dung
along the ground, and decides...
asked 1 hour ago -
Humans have used horses for transportation for millions of
years. Therefore, they will use horses for...
asked 3 hours ago -
The following are the Jensen Corporation's unit costs of making
and selling an item at a...
asked 4 hours ago -
Does direct Medicare reimbursement of Advanced practice nurses
increase access to their services?
asked 5 hours ago -
List and explain why a company would choose to use a
published
compensation survey vs. creating...
asked 5 hours ago -
A discrete random variable X can take values from 1 to 10. Find
the variance of...
asked 5 hours ago -
The primary financial goal of a corporation is to maximize:
shareholders wealth.
earnings per share.
stock...
asked 5 hours ago -
determine whether the vectors u=(1,2,3,), v=(-2,1,0) and
w=(1,0,1) are linearly dependent or independent.
asked 5 hours ago -
python
Define a function called print_values which takes a dictionary
object as a parameter. The function...
asked 6 hours ago -
In Chapter 1 you created a program named Triangle in
which you displayed a seven-line triangle...
asked 6 hours ago -
Research question: What are the differences between separately
stated and non separately stated transactions in an...
asked 7 hours ago