PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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2) The truck and the tanker have weights of 8000 lb and 20000 lb, respectively. Their respective
centers of gravity are located at points G, and G2. If the truck is a rest, determine the reactions
on wheels at A, B, and C. The tanker is connected to the truck at the turntable D.
-15 ft-
B
-10 ft--9 ft-
5 ft
The supporting structure of the billboard is attached to the ground by a pin at B, and a roller at A. Point G is the center of gravity of the billboard and structure, which together has a weight of 1400 N. To prevent tipping over in high winds, a 1200-kg mass is placed on the structure near A, as shown. Compute the magnitudes of the reactions at A and B if the wind load on the billboard is q = 1200 N/m.
Determine the maximum weight of the oil barrel that the floor crane can support without falling and find the reactions at the smooth wheels A, B, and C for that case. The floor lift has a weight of 300 lb and its center of gravity is located at G.
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- The 80-kg crate has its center of gravity at G. Determine the smallest force P that will initiate motion if =35.arrow_forwardThe homogeneous bar AB weighs 25 lb. Determine the magnitudes of the forces acting on the bar at A and B. Neglect friction.arrow_forwardIgnore the plot at the end of the questionarrow_forward
- The bent rod is supported at A, B, and C by smooth journal bearings. The rod is subjected to the force F = 620 N . The bearings are in proper alignment and exert only force reactions on the rod. Determine the components of reaction at the bearing AA using scalar notation. Determine the components of reaction at the bearing BB using scalar notation. Determine the components of reaction at the bearing CC using scalar notation.arrow_forward1. Determine the distance xcto the center of gravity of the homogeneous rod bent into theparabolic shape. If the rod has a weight per unit length y determine the reactions at the fixedsupport 0. Given: N y = 10 m a = 0.5 m b = 0.25 marrow_forwardDetermine the tension in the cable needed to hold the 760-lb cylinder in equilibrium. Determine the components of reaction at A using scalar notation. Determine the components of reaction moment at A using scalar notation.arrow_forward
- 1) Locate the center of gravity x of the homogenous rod bent in the form of semicircular arc. The rod has a weight per unit lenght of 5 N/m. Also determine the reaction at the smooth support B and the reaction at the pin A.arrow_forwardFind the reactions at the supportarrow_forwardPlease solve it handwriting i req to u please solve good all partsarrow_forward
- A truck is driving over a scale at a weight station. When the front wheels drive over the scale, the scale reads 5800 N. When the rear wheels drive over the scale, it reads 6500 N. The distance between the front and rear wheels is 3.20 m Determine the distance between the front wheels and the truck's center of gravity.arrow_forwardThe backhoe and its contents have a combined weight of 300 kN and center of gravity at point G. Find the resulting force in cylinder AE and linkages AB and AD, indicating whether they are in Tension or Compression. Given: L1 = 300 mm, L2 = 75 mm, L3 = 450 mm, θ = 40 °, Φ = 60 °.arrow_forwardDetermine the reactions at the supports. 250 lb/ft 6 ft 6 ft 6 ftarrow_forward
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