Help with this mechanism (acceleration with graphic method)

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  • #1
Noob of the Maths
52
6
Homework Statement
Find the aceleration of each link in the mechanism
Relevant Equations
W = V´2/r
Hi guys!
I have problems with this mechanism...finding the aceleration with graphic method.
3131231231.png


I already have drawn the speed diagram and the values of all of them.

But, i dont know if my aceleration diagram it is well drawn. I'm stuck especially when trying to plot and calculate the acceleration of "G"
1321321.png
 
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  • #2
What is the direction of rotation?
 
  • #3
Lnewqban said:
What is the direction of rotation?
counterclockwise (2 link AB)
 
  • #4
Noob of the Maths said:
counterclockwise (2 link AB)
Thank you.
Could you show us your work on velocities?
 

Related to Help with this mechanism (acceleration with graphic method)

What is the graphic method for determining acceleration?

The graphic method for determining acceleration involves plotting velocity versus time on a graph and analyzing the slope of the resulting line. The slope represents the acceleration, as acceleration is the rate of change of velocity over time.

How do you calculate acceleration from a velocity-time graph?

To calculate acceleration from a velocity-time graph, you need to find the slope of the line. This can be done by selecting two points on the line, finding the difference in velocity (Δv) and the difference in time (Δt) between these points, and then dividing Δv by Δt. The formula is: acceleration (a) = Δv / Δt.

What does a straight line on a velocity-time graph indicate?

A straight line on a velocity-time graph indicates uniform acceleration. If the line is horizontal, it indicates zero acceleration, meaning the velocity is constant. If the line slopes upward, it indicates positive acceleration, and if it slopes downward, it indicates negative acceleration (deceleration).

How can you determine if acceleration is constant or variable using a graph?

To determine if acceleration is constant or variable using a graph, examine the shape of the velocity-time graph. If the graph is a straight line, the acceleration is constant. If the graph is curved, the acceleration is variable, indicating that the rate of change of velocity is not uniform over time.

What are the common mistakes to avoid when using the graphic method for acceleration?

Common mistakes to avoid include not accurately plotting the velocity and time data points, miscalculating the slope, and failing to properly label the axes. Additionally, ensure that the time intervals are consistent and that any units used are correctly applied and converted if necessary.

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