. Find the effective stiffness (ke) of the spring system shown below. m
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- Derive the stiffness matrix for a spring.If the wire diameter of a compressive helical spring is increased by 2%, the change in spring stiffness (in%) is _______ (correct to two decimal places.)The Mean diameter of coil is 70 mm, wire diameter is 0.6cm and Number of active coils is 32 numbers. The alloy steel is used to made the compression coil spring. Find the Solid length of the spring. Select one: O a. 63mm O b. 98mm O c. 192 mm O d. 38mm
- 1) Explain the following terms for a mass spring system a. natural frequency b. forced vibration c. forced damped vibration d. Different damping levelsDetailed drawing of grounded spring with specification given as: Free length 150mm Pitch- 15mm Spring wire diameter 3mm Outside diameter 50mm1. A weight of 8 lbf is attached to the end of a vertical spring which stretches 4 inches before reaching equilibrium. If the weight is pulled down 6 inches below equilibrium point and given an initial upward velocity of 8 ft/sec, find the equation of motion. Note: In solving for the spring constant k, make sure it ends up as a positive number.
- Q1: Answer the questions ( 1- What is the difference between (Statics and Dynamics)? give examples. 2- We can say that a beam is in equilibrium, if all forces and moments applied to it are equal zero. (Choose (True or False) and if it is false correct it). 3- Erratic motion of a particle occurs when the motion parameters is not continuous. (Choose (True or False) and if it is false correct it). 4- Determine your mass in kilograms, then find your weight in Newtons. After that find your weight in pound and calculate the corresponding mass in slugs.Steps-Part aStep 1) In order to calculate the spring constant, the spring is positioned vertically, and a small mass is attached to its lower hook.Step 2) Visit the site:https://phet.colorado.edu/sims/html/masses-and-springs/latest/masses-and-springs_en.htmlStep 3) Select the Lab icon.Step 4) Make sure the damping is set to none. Using the ruler, measure the displacement of the spring and calculate the spring constant.Step 5) The mass is removed and securely attached to an inelastic cord. On other end of the cord is attached to the spring. Another segment of cord is attached to the other side of the spring. The opposite end of this cord is left free. This is the end in which the system will be rotated. The setup is shown in Fig. 1. The ball is rotated in a horizontal circle.Step 6) The radius of the system is measured before the spring is displaced.Step 7) The system is now spun around until uniform circular motion is achieved and the spring displacement is measured. Steps-Part bStep…SUBJECT: STATIC OF RIGID BODIES Find: x and y in mm. *FINAL ANSWER in 3 decimal place plss thank you!!