Forces and reaction forces generated by a linear actuator

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Homework Help Overview

The discussion revolves around the forces and reaction forces generated by a linear actuator positioned between two solid walls. The original poster presents a scenario where the actuator exerts a force of 10N and seeks clarification on the magnitudes of the forces involved.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to determine the relationship between the forces F1, F2, R1, and R2, questioning whether they are equal and what their specific values should be. Some participants explore the implications of equilibrium in the system and how it affects the force distribution.

Discussion Status

Participants are actively engaging with the problem, with some guidance provided regarding the balance of forces in equilibrium. There is a suggestion that if the actuator's force is 10N, then the reaction forces may need to be reconsidered, leading to a discussion about their potential values.

Contextual Notes

There is an assumption that the system is in equilibrium, which influences the reasoning about the forces involved. The original poster's uncertainty about the values of F1 and F2 indicates a need for further exploration of the problem setup.

amrbekhit
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A linear actuator is wedged between two solid walls as shown in the diagram below. The linear actuator is pushing outwards with a force of 10N. What are the magnitudes of the forces labelled in the diagrams?

linearactuatorfreebodydiagram.png


I reckon that F1 = F2 = R1 = R2. However, I'm not sure if F1 = F2 = 5N or 10N. I'm guessing 10N.

Any thoughts?

--Amr
 
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If the system is in equilibrium then all the forces are balanced.

Remember, if R1 = 10N and R2 = 10N that implies that there is 20N compressing the system and we know there is only 10N expanding it.

Jared
 
Hi Jared,

Thanks for your reply. Based on that, if the linear actuator produces a 10N force, F1 = F2 = R1 = R2 = 5N.

Amr
 
I'd agree with that conclusion.

Jared
 

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