Force balance equations with moving base

In summary, a force balance equation with a moving base is a mathematical representation of the forces acting on a system in motion, taking into account the forces acting on both the system and its base. It is important to consider the moving base in these equations as it can significantly affect the results. Factors such as mass, inertia, velocity, acceleration, and external forces can all impact the equations. These equations are used in various real-world applications, but they also have limitations, such as not accurately representing complex systems or being affected by measurement errors.
  • #1
rihitz
16
1

Homework Statement


IMG_20160929_162844.jpg

Given:
AD=DC = 9m
P=78kN
S=25Kn
Angle alpha = 35 deg
A is static but B is movable

I need to solve forces on the bases A and B
I do not understand where do I mark the forces if there is a base that can move.

Homework Equations

The Attempt at a Solution


My attempt:
IMG_20160929_162955.jpg

I am not sure whether there should be Bx or Ax.[/B]
 
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  • #2
Is there only By on the base B? If so, is the B vector still calculateable with trigonometry, or the only force there will be By, without any Bx?
 

1. What is a force balance equation with a moving base?

A force balance equation with a moving base is a mathematical representation of the forces acting on a system that is in motion. It takes into account the forces acting on both the system and its base, and describes how these forces are balanced in order for the system to maintain its motion.

2. Why is it important to consider a moving base in force balance equations?

A moving base can significantly affect the forces acting on a system, especially if the base is also in motion. Ignoring the base can lead to inaccurate results and incorrect predictions of the system's behavior. Therefore, it is important to consider the moving base in force balance equations to obtain more precise and realistic solutions.

3. What factors affect the force balance equations with a moving base?

The force balance equations with a moving base are affected by various factors such as the mass and inertia of the system and its base, the velocity and acceleration of the system and its base, and the external forces acting on the system. These factors must be taken into account when formulating the equations.

4. How are force balance equations with a moving base used in real-world applications?

Force balance equations with a moving base are used in many real-world applications, such as designing vehicles and aircraft, predicting the motion of satellites and spacecraft, and analyzing the forces acting on athletes in sports. They are also used in industries such as robotics, where precise control of forces is crucial for the movement and stability of robots.

5. Are there any limitations to force balance equations with a moving base?

Like any mathematical model, force balance equations with a moving base have certain limitations. They may not accurately represent complex systems with multiple moving bases, or systems with nonlinear behavior. Additionally, the accuracy of the equations may be affected by errors in measurement or simplifying assumptions made during the formulation process.

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