Inclined Bar Translation: Understanding the Physical Meaning of Moments

In summary, the conversation discusses a problem involving a homogeneous, slender bar being pushed along a smooth horizontal surface by a horizontal force. The goal is to determine the angle and acceleration for translation. Equations are used and the results are θ = 33.4° and a = 15m/s2. The question arises about the physical meaning of a moment of 8.26Nm and whether it would cause rotation about point A. The requester also asks for help and for links to previous discussions on the topic.
  • #1
mkkeyan
10
0
I have a question on pure translation of inclined bar. The problem statement is:
A homogenous slender bar with a mass of 4 kg and a length of 500mm being pushed along the smooth horizontal surface by a horizontal force P=60N. Determine the angle θ for translation. What is the accompanying acceleration? (FBD and kinetic diagram attached)

I used the following equations:
⅀Fx=max
⅀Fy=0
⅀MG=0 (since rod is in translation)
The results
θ = 33.4°
a = 15m/s2
My question is, there exists a moment about point A equal to 8.26Nm. What is the physical meaning of this moment? Would not the rod rotate about A due to this moment? Requesting for help please.
 

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  • kinetic diagram.bmp
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  • #2
If my question has already been discussed earlier, request some of you to give link to those threads.
Thanks in advance.
 

Related to Inclined Bar Translation: Understanding the Physical Meaning of Moments

1. What is the definition of translation of inclined bar?

The translation of an inclined bar refers to the movement or displacement of the bar along a straight line, parallel to its original position.

2. How is the translation of an inclined bar different from its rotation?

The translation of an inclined bar involves movement along a straight line, while rotation involves movement around a fixed point or axis.

3. What factors affect the translation of an inclined bar?

The translation of an inclined bar can be affected by the angle of inclination, the length of the bar, and the magnitude and direction of the applied force.

4. What is the formula for calculating the translation of an inclined bar?

The formula for calculating the translation of an inclined bar is: displacement = length of bar * sin(angle of inclination).

5. How is the translation of an inclined bar useful in real-world applications?

The translation of an inclined bar is commonly used in engineering, construction, and mechanics to analyze and predict the movement of structures and objects under different forces and angles of inclination.

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