You are given a figure below. The bar moves from a position denoted by theta and stops at the horizontal position shown, That figure has 6 variables, mass, k, L1, L2, theta and unstretched length of the spring.. You will need to assign values to the 5 of the 6 variables and solve for the remaining variable. Make sure that your work is on engineering paper.
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You are given a figure below. The bar moves from a position
denoted by theta and...
You are given a figure below. The bar moves from a position denoted by theta and...
You are given a figure below. The bar moves from a position
denoted by theta and stops at the horizontal position shown, That
figure has 6 variables, mass, k, L1, L2, theta and unstretched
length of the spring.. You will need to assign values to the 5 of
the 6 variables and solve for the remaining variable. Make sure
that your work is on engineering paper.
L2 Li
The bar, WA=100[lb] and L=3[ft], shown in figure is initially in the vertical position
The bar, WA=100[lb] and L=3[ft], shown in figure is initially in the vertical position. The bar is subjected to a couple moment of M=20 [lb-ft] and a force F=50[l b], which is always perpendicular to the end of bar. Also, the spring is attached to bar at distance L / 2 from point A, and has unstretched length of l0=1.2[ft]. The spring remains in horizontal position throughout the motion due to the roller guide at B. Determine angular velocity of...
2. Figure 2 shows the mechanism for a door panel held in place by a bar...
2. Figure 2 shows the mechanism for a door panel held in place by a bar BC and a torsional spring. The door panel has a mass of 30 kg and held in equilibrium at 0 60. It is required to determine the stiffness (k) of the torsional spring such that the door panel reaches the closed position (0-0") with a zero angular velocity once the supporting rod BC is removed. The mass moment of inertia of the door panel...
Uniform bar OA rotates around endpoint O and position angle 0= 0 when the bar is...
Uniform bar OA rotates around endpoint O and position angle 0= 0 when the bar is horizontal and in static equilibrium. The mass of the bar is m = 20 kg, the length of the bar is L=1.2 m , k= 6000 N/m for the spring, and c= 320 N-s/m for the damper. The bar is initially at rest with 0 0 when force F(t) is applied to the end of the bar. Find the response 0(t) if force F(t)...
A horizontal metal bar of mass mm and length LL is vertically suspended from two conducting...
A horizontal metal bar of mass mm and length LL is vertically suspended from two conducting wires, as shown in the figure(Figure 1). A uniform magnetic field of magnitude BB points vertically downward. Find the angle θθ the suspending wires make with the vertical when the bar carries a current II Express your answer in terms of the variables m, L, B, I Theta=
(30 Pints) The 10-kg bar is released from the horizontal position when it is rested. The...
(30 Pints) The 10-kg bar is released from the horizontal position when it is rested. The coefficient of restitution between the bar and bumper B is 0.5, and the duration of the impact is 5 ms. Determine the maximum angle of inclination of the bar subsequent to the impact and the average force exerted by the bumper during the impact. (you can assume that g 10 m/s?) 12 m 1.6m (20 Points) The bar AD is 5 kg and 2...
sos Problem 3: [2, 03-15] A rigid and uniform bar undergoing rota- tional motions in the...
sos
Problem 3: [2, 03-15] A rigid and uniform bar undergoing rota- tional motions in the vertical plane is re- strained by a torsional spring of stiffness k at the pivot point O, as shown in the figure. The bar has mass m and a length& and the torsional spring is unstretched in the upright position a) Find the equations of motion, lin- ke earized about 6 0: b) Determine what ke should be so that small oscillations about the...
The figure below shows a thin, uniform bar whose length is L and mass is M...
The figure below shows a thin, uniform bar whose length is L and mass is M and a compact hard sphere whose mass is m. The system is supported by a frictionless horizontal surface. The sphere moves to the right with velocity vector v, and strikes the bar at a distance 1/4L from the center of the bar. The collision is elastic, and following the collision the sphere is at rest. Find the value of the ratio m/M.
In the figure, a thin horizontal bar AB of negligible weight and length L is hinged...
In the figure, a thin horizontal bar AB of negligible
weight and length L is hinged to a vertical wall at
A and supported at B by a thin wire BC
that makes an angle θ with the horizontal. A block of
weight W can be moved anywhere along the bar; its position
is defined by the distance x from the wall to its center
of mass. Find vertical components of the force on the bar from the
hinge at...
You are able to hold out your arm in an outstretched horizontal position because of the action of the deltoid muscle. A...
You are able to hold out your arm in an outstretched horizontal position because of the action of the deltoid muscle. Assume the humerus bone has a mass M1=3.6kg, length L=0.66m and its center of mass is a distance L1=0.33m from the scapula. (For this problem ignore the rest of the arm.) The deltoid muscle attaches to the humerus a distance L2=0.15m from the scapula. The deltoid muscle makes an angle of ?=17? with the horizontal, as shown. (Figure 1)...
You are given a figure below. The bar moves from a position
denoted by theta and stops at the horizontal position shown, That
figure has 6 variables, mass, k, L1, L2, theta and unstretched
length of the spring.. You will need to assign values to the 5 of
the 6 variables and solve for the remaining variable. Make sure
that your work is on engineering paper.
L2 Li
The bar, WA=100[lb] and L=3[ft], shown in figure is initially in the vertical position. The bar is subjected to a couple moment of M=20 [lb-ft] and a force F=50[l b], which is always perpendicular to the end of bar. Also, the spring is attached to bar at distance L / 2 from point A, and has unstretched length of l0=1.2[ft]. The spring remains in horizontal position throughout the motion due to the roller guide at B. Determine angular velocity of...
2. Figure 2 shows the mechanism for a door panel held in place by a bar BC and a torsional spring. The door panel has a mass of 30 kg and held in equilibrium at 0 60. It is required to determine the stiffness (k) of the torsional spring such that the door panel reaches the closed position (0-0") with a zero angular velocity once the supporting rod BC is removed. The mass moment of inertia of the door panel...
Uniform bar OA rotates around endpoint O and position angle 0= 0 when the bar is horizontal and in static equilibrium. The mass of the bar is m = 20 kg, the length of the bar is L=1.2 m , k= 6000 N/m for the spring, and c= 320 N-s/m for the damper. The bar is initially at rest with 0 0 when force F(t) is applied to the end of the bar. Find the response 0(t) if force F(t)...
(30 Pints) The 10-kg bar is released from the horizontal position when it is rested. The coefficient of restitution between the bar and bumper B is 0.5, and the duration of the impact is 5 ms. Determine the maximum angle of inclination of the bar subsequent to the impact and the average force exerted by the bumper during the impact. (you can assume that g 10 m/s?) 12 m 1.6m (20 Points) The bar AD is 5 kg and 2...
sos
Problem 3: [2, 03-15] A rigid and uniform bar undergoing rota- tional motions in the vertical plane is re- strained by a torsional spring of stiffness k at the pivot point O, as shown in the figure. The bar has mass m and a length& and the torsional spring is unstretched in the upright position a) Find the equations of motion, lin- ke earized about 6 0: b) Determine what ke should be so that small oscillations about the...
In the figure, a thin horizontal bar AB of negligible
weight and length L is hinged to a vertical wall at
A and supported at B by a thin wire BC
that makes an angle θ with the horizontal. A block of
weight W can be moved anywhere along the bar; its position
is defined by the distance x from the wall to its center
of mass. Find vertical components of the force on the bar from the
hinge at...
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