4) The 2 lb piece of putty is dropped 6 ft onto the 18 lb block initially at rest on the two springs, each with k = 3 lb/in. Calculate the additional deflection of the springs due to the impact of the putty, which adheres to the block upon contact. 2 lb 6' 18 lb δ k = 3 lb/in. FULL CREDIT AWARDED ONLY FOR CORRECT FBD & KFD INCLUDED IN SOLUTION ANS. 8=2.56 inches
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- 2019-2020/1ST SY/TERM MEG101 COURSE CODE 5. What weight W is necessary to start the system of blocks shown in the figure moving to the right? The coefficient of friction is 0.10 and the pulleys are assumed to be frictionless. Inertial Properties of Plane Areas: Rectangle 600N 4-4-4- --- Righe angle ---- 4-4 STATICS OF RIGID BODIES COURSE TITLE C 400 30 4-4-4-0 Seme It 1-1-0 4-4-400consider the mass and pulley system in the attached file. mass m1 = 29 kg and mass m2 = 12kg. the angle of the inclined plane is given and the coefficient of kinetic friction between mass m2 and the inclined plane is uk = 0.12. assume the pulleys are massless and frictionless when mass m2 moves a distance 4.94 m up the ramp, how far downward does mass m1 move? d= ?Draw the FBD for the bar described in Prob. 5.1 if the bar is homogeneous of mass 50 kg. Count the unknowns.
- Learning Goal: The two blocks shown have masses of m₁ = 43 kg and mp=78 kg. The coefficient of kinetic friction between block A and the inclined plane is μ = 0.14. The angle of the inclined plane is given by 0 = 35° Neglect the weight of the rope and pulley (Figure 1) Figure Der 1 of 1 Provi8. Fig. 8 shows a simple aircraft landing gear, consisting of a spring and hydraulically loaded piston and cylinder D and the two pivoted links OB and CB. If the assembly is moving along the runway at a constant speed with the wheel supporting a stabilised constant load of 24 kN, calculate the total force that the pin at A supports. [Ans: 44.7 kN] Fig. 8 D 700 mm O B 30° 250 mm 250 mmThe pipe has a mass of 50 kg and is bong towed behind a truck Egun1) Figure Beview If the angle - 30 determine the acceleration of the truck. The coefficient of kinetic friction between the pipe and the grounds -0.10 Express your answer to three significant figures and include the appropriate units. Value Submit Part Best An Aise delene the tension in the cable Express your answer to three significant figures and include the appropriate units. Submi PA T. 2447.27 Units A CE unds ?
- pls answer fast thank you A system of blocks is shown in the figure. Assume the pulley is frictionless *show FBD 1. Which of the following most nearly gives the least value of P required to prevent the system of blocks from sliding to the left? 2. Which of the following most nearly gives the least value of P required to cause the system of blocks to have impending motion to the right? 3. Which of the following most nearly gives the reaction at the pulley if the system of blocks is to have an impending motion to the right?A load of W (kN) with corners ABCD standing still in the truck bed wants to be transported.Since it is known that the load does not slide during the movement, the maximum acceleration that the truck can reach without tipping the load and Calculate the coefficient of friction between the load and the truck bed. (C represents the center of gravity of the load). W=6kN b=0.3m d=0.9m e=1.7mTwo blocks A and B have a weight of 50 N and 30 N, respectively. They are resting on the incline for which the coefficients of static friction are u = 0.15 and a = 0.25. The spring has a stifness of k 35 N/m (Eigure 1) Part A Determine the incline angle e tor which both blocks begin to silide. Express your answer in degrees to three significant figures. ? Submit Request Answer • Part B Find the required stretch or compression in the connecting spring for this to occur. Express your answer to three significant figures and include the appropriate units. HA Value mm Figure 1 of 1 Submit Reguest Answer Provide Feedback
- Q5/ In vehicle suspension design it is desirable to minimize the mass of all components. You have been asked to select a material and dimensions for a light spring to replace the steel leaf-spring of an existing truck suspension. The existing leaf-spring is a beam, shown schematically in the figure. The new spring must have the same length L and stiffness S as the existing one, and must deflect through a maximum safe displacement 8max without failure. The width b and thickness t are free variables. L Load F 6= 1 FL³ 48 EI 10₂L² 6 #E 1=bt³/12 8max = Derive a material index for the selection of a material for this application. Note that this is a problem with two free variables: b and t; and there are two constraints, one on safe deflection 8max and the other on stiffness S. Use the two constraints to fix free variables.Questions - 6 Derive the equivalent spring constant for the case if attached in series . Prove - keq = ( k1k2/k1 + k2 )A 1500 kg load is lifted by a hoist using a Ø1.5m drum. The drum is driven by an electric motor through a gearbox with a reduction ratio-25, At a certain instant, 175 m of unwrapped rope is lifling the load and 7.4 m of rope is wrapped on the drum. Drum: diameter ØI5 m IDRUM – 322 kg-m² (includes the inertia effects of the gearbox only) Motor, speed IMOTOR 1200 rpm 1.24 kg-m2 Rope: 3 kel a) Show that the equivalent moment of inertia of the motor and drumgearbox is 2695 kg-m the drum byArthis instant, determine the motor toreue requinedifthe load is accelerating q t the load s accelerating upward at 3.5 s-