FIGURE P7-20 FIGURE P7-21 " 니244 7-22 /The homogeneous disk in Fig. P7-22 has a uniform...
14-14. A thin homogeneous disk, weighing 16.1 lb, is supported as shown in Fig. P14-14. Determine the frequency of oscillation if it swings through a very small arc. w 12' 16.1 lb * = 10 lb per in. 11b Figure P14-14 Figure P14-15
4.26? ROBLEMS 4.26 The homogeneous bar AB weighs 25 lb. Determine the magnitudes of the forces acting on the bar at A and B. Neglect friction. 160 lb/ft .4 12 ft Figure P4.26 Figure P4.27 Figure P4.28 4.27 Determine the smallest horizontal force P that would push the homogeneous cylinder of weight Wover the curb. Neglect friction. 4.28 The homogeneous beam AB weighing 800 lb carries the distributed load shown. Find the support reactions at A and B 4.29 The...
FIGURE P3-19 aSection The brass bar shown in Fig. P3-20, which has a uniform cross-sectional area of 2 in.2, is subjected to the forces shown. Determine the total deformation of the bar. The modulus of elasticity of brass is E = 17 x 102 ksi. si 40 kips 30 kips 30 kips CI 2ft . (4ft -tl 3 ft FIGURE P3-20
PROBLEM 8.23 The 10-lb uniform rod AB is held in the position shown by the force P. Knowing that the coefficient of static friction is 0.20 at A and B, determine the smallest value of P for which equilibrium is maintained 8 in. - Fig. P8.23
UU 7. A planetary gear train is shown in Figure P7. The carrier (link 2) serves as the input to the train. The sun (gear 1) serves as the output from the train and has a 1.0-in. pitch diameter with a diametric pitch of 20. Gear 3 has 45 teeth and gear 4 has 20 teeth Gear 5 has 30 teeth and is keyed to the same shaft as gear 4. Gear 5 mates with the ring gear (gear 6),...
PROBLEM 8.23 The 10-lb uniform rod AB is held in the position shown by the force P. Knowing that the coefficient of static friction is 0.20 at A and B, determine the smallest value of P for which equilibrium is maintained. 15 i 7.5 in. 8 in. Fig. P8.23
I need a solution for P 7-17 The linkage in Figure P7-6a has O2A = 5.6, AB = 95. 04C= 95, Li = 38.8 mm θ2 is 135° in the xy coordinate system. Write the vector loop equations; differentiate them, and do a complete position, velocity, and acceleration analysis of the linkage. Assume W2 = 10 rad/s and α-= 20 rad/s2 17.16 Repeat Problem 7-16 for the linkage shown in Figure P7-6b which has the dimensions: し! = 6 l...
44. The system shown in Fig. P7 consists of a slider block of mass m2 and a uniform slender rod of mass m3, length 13, and mass moment of inertia about its center of mass J The slider block is connected to the ground by a spring that has a stiffness coefficient k. The slider block is subjected to the force F(t), while the rod is subjected to the moment M. Obtain the differential equations of motion of this two-degree-of-freedom...
Prob. A 20-b uniform disk is placed in contact with an inclined surface and a constant 7.5 lb-ft couple M is applied as shown. The weight of the link AB is negligible. Knowing that the coefficient of kinetic friction at D is 0.4, determine (a) the angular acceleration of the disk, (b) the force in the link AB. a rough horizontal surface and end B supported by a smooth vertical surface. Knowing that the deceleration of the truck is 12...
If the sack at 8 in the figure has a weight of 50 lb determine the weight of the sack at A and the force in each cord needed to hold the system in the equilibrium position shown. (25 points) (Hint: Multiple FBD's) 3. 30° Give the answers to 1 decimal place 20 th