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If the sack at 8 in the figure has a weight of 50 lb determine the...
If the sack at A has a weight of 30 lb, determine the weight of the...
If the sack at A has a weight of 30 lb, determine the weight of the sack at B and the force in each cord needed to hold the system in the equilibrium position shown. (20 points) Must show FBD for full credit. 30° 3 45°A 301b
In Figure P6.18 block B weighs 50 lb. Determine the range of values of the weight...
In Figure P6.18 block B weighs 50 lb. Determine the range of values of the weight of A that will maintain equilibrium of the system. (Be sure to check all cases!) Pulley leg is massless 10 in. u=0.3
Due Thu 06/06/2019 2:5 A force of 20 lb stretches a spring 2 ft. A 8-lb weight is attached to the spring and the sy...
Due Thu 06/06/2019 2:5 A force of 20 lb stretches a spring 2 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 18 inches above equilibrium position. z(t) Preview (b) the weight is released 18 inches above the equilibrium position with an upward velocity of 3 ft/s. r(t) Preview...
Three-Dimensional Force Systems cable AC Part A Finding the tension Learning Goal: weight of 115 lb...
Three-Dimensional Force Systems cable AC Part A Finding the tension Learning Goal: weight of 115 lb acts at C on the strut. Find the magnitude of the tension in cable AC To apply the condition of equilibrium to three-dimensional systems and solve for unknown forces. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) As shown, a mass is being lifted by a strut that is supported by two cables AC and CD. The...
Please show all work! Thank you! P.S. 5.2 Q2 A force of 15 lb stretches a spring 3 ft. A 8-lb weight is attached to the...
Please show all work! Thank you!
P.S. 5.2 Q2
A force of 15 lb stretches a spring 3 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 15 inches above equilibrium position x(t) Preview (b) the weight is released 15 inches above the equilibrium position with an upward velocity...
3a. [10pts) A 32 lb weight is attached to a spring whose constant is 25 lb/ft....
3a. [10pts) A 32 lb weight is attached to a spring whose constant is 25 lb/ft. Initially the mass is released I ft below the equilibrium position with a downward velocity of 1 ft/sec. Find the equation of motion 3b. 10pts) Determine the equation of motion in part(a) if the surrounding medium offers a damping force numerically equal to 10 times the instantaneous velocity. 3c. [14pts) Determine the equation of motion in parts(a)-(b) if the weight is driven by an...
The spool has a weight of 30 lb and a radius of gyration ko = 0.65...
The spool has a weight of 30 lb and a radius of gyration ko = 0.65 ft (Figure 1) Part A If a 40 lb block is suspended from the cord at A, determine the angular velocity of the spool in t=3 s starting from rest. Neglect the mass of the pulley and cord. Express your answer to three significant figures and include the appropriate units. HÅ ? Figure rad 1 of 1 w= 32.8422 S B Submit Previous Answers...
A 128 lb weight is attached to a spring that has a spring constant of 64...
A 128 lb weight is attached to a spring that has a spring constant of 64 lb/ft. The system is started into motion by displacing it 6 in above the equilibrium position and by simultaneously applying an external force of f(t) = 8 sin 4t. There are no damping forces. Find the equation of motion for these conditions. Find the period and frequency of the motion. Draw a graph of the solution.
Revi The spool has a weight of 30 lb and a radius of gyration ko =...
Revi The spool has a weight of 30 lb and a radius of gyration ko = 0.65 ft (Figure 1) Part A If a 40 lb block is suspended from the cord at A, determine the angular velocity of the spool in t=3 s starting from rest. Neglect the mass of the pulley and cord. Express your answer to three significant figures and include the appropriate units. 0 uA Figure rad 1 of 1 w= 215 S You have already...
Question 2 30 Points The 644 lb weight in the figure is lifted by a motor...
Question 2 30 Points The 644 lb weight in the figure is lifted by a motor which is connected to two attached disks by cables. The total weight of the two disks are 322 lb and Kgyration about O is 18 in. If the motor provides constant 400 lb tension force in the cable, (a) determine the acceleration of the weight. (15 pts.) (b) Total forces applied to point O. (15 pts.) 24" 12" P = 400 lb W =...
If the sack at A has a weight of 30 lb, determine the weight of the sack at B and the force in each cord needed to hold the system in the equilibrium position shown. (20 points) Must show FBD for full credit. 30° 3 45°A 301b
In Figure P6.18 block B weighs 50 lb. Determine the range of values of the weight of A that will maintain equilibrium of the system. (Be sure to check all cases!) Pulley leg is massless 10 in. u=0.3
Due Thu 06/06/2019 2:5 A force of 20 lb stretches a spring 2 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 18 inches above equilibrium position. z(t) Preview (b) the weight is released 18 inches above the equilibrium position with an upward velocity of 3 ft/s. r(t) Preview...
Three-Dimensional Force Systems cable AC Part A Finding the tension Learning Goal: weight of 115 lb acts at C on the strut. Find the magnitude of the tension in cable AC To apply the condition of equilibrium to three-dimensional systems and solve for unknown forces. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) As shown, a mass is being lifted by a strut that is supported by two cables AC and CD. The...
Please show all work! Thank you!
P.S. 5.2 Q2
A force of 15 lb stretches a spring 3 ft. A 8-lb weight is attached to the spring and the system is immersed in a medium that imparts a damping force equal to its instantaneous velocity. (a) Find the equation of motion if the weight is released from rest 15 inches above equilibrium position x(t) Preview (b) the weight is released 15 inches above the equilibrium position with an upward velocity...
3a. [10pts) A 32 lb weight is attached to a spring whose constant is 25 lb/ft. Initially the mass is released I ft below the equilibrium position with a downward velocity of 1 ft/sec. Find the equation of motion 3b. 10pts) Determine the equation of motion in part(a) if the surrounding medium offers a damping force numerically equal to 10 times the instantaneous velocity. 3c. [14pts) Determine the equation of motion in parts(a)-(b) if the weight is driven by an...
The spool has a weight of 30 lb and a radius of gyration ko = 0.65 ft (Figure 1) Part A If a 40 lb block is suspended from the cord at A, determine the angular velocity of the spool in t=3 s starting from rest. Neglect the mass of the pulley and cord. Express your answer to three significant figures and include the appropriate units. HÅ ? Figure rad 1 of 1 w= 32.8422 S B Submit Previous Answers...
A 128 lb weight is attached to a spring that has a spring constant of 64 lb/ft. The system is started into motion by displacing it 6 in above the equilibrium position and by simultaneously applying an external force of f(t) = 8 sin 4t. There are no damping forces. Find the equation of motion for these conditions. Find the period and frequency of the motion. Draw a graph of the solution.
Revi The spool has a weight of 30 lb and a radius of gyration ko = 0.65 ft (Figure 1) Part A If a 40 lb block is suspended from the cord at A, determine the angular velocity of the spool in t=3 s starting from rest. Neglect the mass of the pulley and cord. Express your answer to three significant figures and include the appropriate units. 0 uA Figure rad 1 of 1 w= 215 S You have already...
Question 2 30 Points The 644 lb weight in the figure is lifted by a motor which is connected to two attached disks by cables. The total weight of the two disks are 322 lb and Kgyration about O is 18 in. If the motor provides constant 400 lb tension force in the cable, (a) determine the acceleration of the weight. (15 pts.) (b) Total forces applied to point O. (15 pts.) 24" 12" P = 400 lb W =...
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