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Task A: The design of a robotic system calls for the two-rod mechanism shown below. Rods AC and BD connected by a slider block D as shown.

Task A: The design of a robotic system calls for the two-rod mechanism shown below. Rods AC and BD connected by a slider block D as shown. Neglecting the effect of friction, consider how you would determine the couple MA required to hold the rods in equilibrium for values of θ from 0 to 120° using 10° increments. For the same values of θ, how would you determine the magnitude of the force F exerted by rod AC on the slider block? 

Task B: Consider the possibility that someone will pull AC down and add a perpendicular force to your system. Does this affect the stability of the system? How can we know at what point the added force will cause the system to fail?

Clarify the following in this discussion by submitting a PDF, keeping in mind the following:

  • Submit your initial post by the third day of this module week.
  • Address at least two other students' outlines by the fourth day of this module week.
  • Follow up on any addressed to you before the last day of this module week.

1. State the Problem

  • In your own words, what question(s) are you trying to answer?
  • Include any preliminary thoughts or background information about the subject
  • Create a Hypothesis  
  • Write a possible solution for the problem
  • Make sure this possible solution is a complete sentence
  • Make sure the statement is testable
  • The statement should reference the independent and dependent variables (Reference:  https://www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-dependent-independent/v/dependent-and-independent-variables-exercise-example-1 (Links to an external site.)Links to an external site.
  •  (Links to an external site.)
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  • )

 2. Materials

Make a list of the things your program would need to calculate to solve this problem. Here you would include the software you are using and any references and any hardware.


For your reference, the approximate solution to the problem is shown in the following table:

theta (degrees) AD (mm) F(N) MA (N.m) 0 100 10 1 30 142 12 2 40 166 12 2 90 292 12 3 100 313 11 4

 

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