The 151-lb exerciser is beginning to execute some slow, steady bicep curls. As the tension T= 23 Ib. is developed against an exercise machine (not shown), determine the normal reaction forces at the feet A and B. Friction is sufficient to prevent slipping, and the exerciser maintains the position shown with center of gravity at G. Note that there are 4 unknown reaction forces in this FBD. We only have 3 equilibrium equations that can be used to solve for these unknowns, so we cannot solve for all of the forces. The problem only asks us to find the normal forces NA and NB and we can solve for -T 25° these two forces. We cannot find the friction forces FA and FB. Write one equilibrium equation that can be used to find the force NA. Then solve for NA.

The 151-lb exerciser is beginning to execute some slow, steady bicep curls. As the tension T= 23 Ib. is developed against an exercise machine (not shown), determine the normal reaction forces at the feet A and B. Friction is sufficient to prevent slipping, and the exerciser maintains the position shown with center of gravity at G. Note that there are 4 unknown reaction forces in this FBD. We only have 3 equilibrium equations that can be used to solve for these unknowns, so we cannot solve for all of the forces. The problem only asks us to find the normal forces NA and NB and we can solve for -T 25° these two forces. We cannot find the friction forces FA and FB. Write one equilibrium equation that can be used to find the force NA. Then solve for NA.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Statics and Equilibrium Draw and label a complete FBD of each beam Solve for the reaction forces (support forces) for each beam. Clearly label the forces (with units) in your answer
A propped beam shown below is loaded with UDL along its entire span. Determine the following: a. Determine the reaction (R) b. Determine the end moment at wall (Mc) C. Determine the tangential deviation at point B with respect to point C (t B/C) A d 4kN/m Ţ 3M
Q1) The members of structures shown in Figure are made of plain concrete. The compressive strength of concrete is 20 MPa. Compute the maximum P that can be carried by these structures. b) P/2 3m 3m 2m Cross-section 200 x 400 mm
Q4/ The outlet pipe from a pump is a bend of 45° rising in the vertical plane as shown in Fig. 4. The bend is 150 mm diameter at its inlet and 300 mm diameter at its outlet. The pipe axis at the inlet is horizontal and at the outlet it is 1 m higher. By neglecting friction, calculate the force and its direction if the inlet pressure is 100 kN/m² and the flow of the water through the pipe is 0.3 m/s. The volume of the pipe is 0.075 m³? L PI U₂ A₁ Fig. 4 P2 U2 A2 ور T
Problem No. 4 Determine the maximum positive bending moment and the prop reaction Answer format: Max. positive moment = Prop reaction = 1200 N/m Im A 2m R L-4 2m B L₂=0
A simply supported beam made of 360UB56.7 (300 Plus) section. The beam has got full lateral support at the ends and the middle. There is no rotational restraint. The bending moment diagram for the applied loads is shown in Figure 3. Assume that the load is applied through the shear centre of the cross-section of the beam. Calculate the safety factor for the given load. The safety factor is defined as ??????∗.
I Calculate distributed loads acting on the frame shown in Figure a Sketch the free body diagram and calculate the support reactions of the frame. 3 Calculate the support reaction if the load on Span AB is changed to triangle non- distributed load with OkN/m at point B. 1 kN/m 1 kN/m B 1.2 m 1.8 m 2 kN/m 60°
Keep it urgently
A propped beam shown below is loaded with UDL along its entire span. Determine the following: a. Determine the reaction (R) b. Determine the end moment at wall (Mc) C. Determine the tangential deviation at point B with respect to point C (t B/C) A d 4kN/m Ţ 3M
Please plot the FBDs that would allow you to find the smallest values of forces P1 and P2 required to keep the whole system in a state of equilibrium. Notes: The coefficient of static friction for all surfaces of contact is 0.3 The weight of the wedge B and C can be neglected The weight of block A is given in the picture You only need to plot the free body diagrams and do not need to actually solve for P1 and P2
Q11111