Problem 2. The unstretched length of springs AB and AC are 0.8485 m and 3 m, respectively. The weight of the box is 84 N. The system is in equilibrium and the springs are stretched, find the following: a) Force in spring AB b) Force in spring AC c) Resultant force of the system d) Direction of resultant from the horizontal kac-20 N/m 3 m F wwww KAB-30 N/m

A bracket connected to the flangé of a column through a group of rivets to transfer a load of 120 kN at an eccentricity of 150 mm as shown in the figure. The thickness of the bracket plate is 8 mm. Design the diameter of the rivets if the permissible stress in single shear is 100 MPa and in bearing 180 MPa. 120 kN 150- 4 p/n 30 60 60 60 G 60 30 90 +.

В A B C The system above is comprised of two-force members AB and AC, supporting a vertical force at point A. Assuming the system is drawn to scale and is in equilibrium, which of the following best describes the nature of the forces in members AB and AC? a) AB is in tension AC is in compression b) AB is in compression AC is in compression c) AB is in tension AC is in tension d) AB is in compression AC is in tension

F1 (kN) 30 mm 80 mm 30 mm 80 mm F2 (kN) 30° 400 mm The system is loaded with F1 (100) and F2 (200) as shown. Determine the principal stresses, principal planes, and maximum shearing stress and show the stresses on an element (a) at point H, (b) at point K.

The copper pipe has an outer diameter of 50mm and an inner diameter of 30mm. If it is fixed at A and three torques are applied to it as shown, solve the shear stress at section 1. A 200mm 250mm 3. 30 N-m 300mm 20 N-m 80 N m O 2.34MPA O 7.49MPA O 4.68MP O 3.74MPA

The 20-kg drum is suspended from the hook mounted on the wooden frame. Determine the state of stress at point E on the cross section of the frame atsection a–a. Indicate the results on an element.

From the frame loaded as shown. Solve the following Find: Reaction at column BMoment at column B

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STATICS OF RIGID BODIES. PLEASE ANSWER ASAP THANK YOU FOR A RATE

The copper pipe has an outer diameter of 50mm and an inner diameter of 30mm, If it is fixed at A and three torques are applied to it as shown, solve the shear stress at section 2. A 200mm 250mm 300mm 30 N-m 20 N-m 80 N-m O 0.94MPA O 4.68MPA O 187MPA O 2.81MPA