The indicated location of the center of gravity of the 3600-lb pickup truck is for the unladen condition. If a load whose center of gravity is x = 16 in. behind the rear axle is added to the truck, determine the load weight WL for which the normal forces under the front and rear wheels are equal. WL 45" 67"
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- the indicated location of the center of gravity of the 3100-lb pick truck is for the unlanden condition. if a load whose center gravity is x=22 in. behind the rear axle is added to the truck, determine the load weight for which the normal forces under the front and rear wheels are equalQ8/ The indicated location of the center W of gravity of the 3600-lb pickup truck is for the unladen condition. If X-16in a load whose center of gravity is in. behind B the rear axle is added to the truck, 45 67 determine the load weight WL for which the normal forces under the front and rear wheels are equalThe indicated location of the center of gravity of the ( 16 kN ) pickup truck is for the unloaded condition. If a load whose center of gravity is ( x = is added to the truck. Determine the load weight ( WL ) for which the normal forces under the front and rear wheels are equal. 40 cm ) in front of the rear axle
- 2. The backhoe supports a 7.5 kN weight of soil in the bucket which has a center of gravity at G. Find: 0.64 m 0.25 m ● 0.26 m 0.3 m 1.68 m Force in cylinder ED (indicate if force is in tension or compression) Force in cylinder FI (indicate if force is in tension or compression) OF 0.4 m 0.1 m A -1.44 m- 17.5 kN 0.25 m D B m E 0.22 m 0.45m H O SUSIS Force in ED = Force in FI = KN (Tor C) kN (Tor C)to turn. Determine the forces exerted on the front and rear wheels by the road on the car when the car is parked i. on an up slope with a = 25° on a down slope with a = -25° ii. 70 in 36 in- 20 in 3300 lbFREE-BODY DIAGRAM EXERCISES 3/A In each of the five following examples, the body to be isolated is shown in the left-hand diagram, and an in- complete free-body diagram (FBD) of the isolated body is shown on the right. Add whatever forces are nec- essary in each case to form a complete free-body dia- gram. The weights of the bodies are negligible unless otherwise indicated. Dimensions and numerical values are omitted for simplicity. Body Incomplete FBD 1. Bell crank supporting mass m with pin support at A. mg m Flexible cable A Pull P P. 2. Control lever applying torque to shaft at 0. Fo 3. Boom OA, of negligible mass compared with mass m. Boom hinged at O and supported by hoisting cable at B. B m mg 4. Uniform crate of mass m leaning against smooth vertical wall and supported on a rough horizontal surface. A mg B B 5. Loaded bracket supported by pin connection at A and fixed pin in smooth slot at B. Load L Figure 3/A Page5
- The dump truck consists of a chassis and a tray, with centers of gravityat G1 and G2, respectively. With the tray down, the axle loads (normal forces atA and B) are 41 900 N each. When the tray is in the raised position, the rear axleload increases to 48 700 N. Compute the weight of the chassis, the weight of thetray, and the distance x.The indicated location of the center of WL gravity of the ( 16 kN ) pickup truck is for the unloaded condition. If a load whose center of gravity is ( x = is added to the truck. Determine the load weight ( WL ) for which the normal forces under the front and rear wheels are equal. 40 cm ) in front of the rear axle В A. 160 cm 110cm-Problem #3 Find the center of gravity of the fork truck, operator, and cargo with respect to the front wheels. Each bag on the forks is 25.0 kg. -0.37m 800 N +105N -0.58 m 140 m 0.85 -0.48 m-
- It is desired that a person be able to begin closing the van hatch from the open position shown with a 10-lb vertical force P. The center of gravity of the 90-lb door is 1.5 in. directly below point A. Treat the problem as two-dimensional. Determine the necessary force in each of the two hydraulic struts AB. Express your answer in units of lb. A P 45" A B 22" 24" Hinge axis 6.5" 30° B Strut detailQ 4) The indicated location of the center of gravity of the ( 16 kN ) pickup truck is for the unloaded condition. If a load whose center of gravity is ( x = 40 cm ) in front of the rear axle is added to the truck. Determine the load weight ( WL ) for which the normal forces under the front and rear wheels are equal. 160 cm -110 cm-The dump truck consists of a chassis and a tray, with centers of gravity at c and T, respectively. With the tray down, the axle loads (normal forces at A and B) are 42550N each. When the tray is in the raised position, the rear axle load increases to 50400N. Compute the weight of the chassis, the weight of the tray, and the distance x. s=14.25m; a=11.75m; b=7m