Questions tagged [springs]
The springs tag has no usage guidance.
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How is energy in the hairspring restored in a mechanical watch?
I've read through the excellent guide to how mechanical watches work by Ciechanowski, but it leaves some questions unanswered.
The main spring of the watch, when it loses energy, can of course be re-...
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Manual/Electrically controlled loaded spring release for door kick-down stopper
Hoping to upgrade this or similar telescopic door kick-down stopper to release the stopper remotely. Wondering if there are standard solutions that would allow for electrical and manual loaded spring ...
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What is the difference between Hooke's Law and Young's Modulus?
In the elastic region where stress is proportional to strain up to elastic limit which is we call Young's Modulus (E). My question is if that is E, then what is Hooke's Law (K=F/x spring stiffness). I ...
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Net force exerted by spring
I want to find the exact net force exerted by the spring between pt. P and C, when it is compressed till point P with some mass, m attached to it and released (assuming spring goes to pt. C after its ...
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How can I find stiffness of a steel coil spring used in dump trucks?
How can I find stiffness of a steel coil spring used in dump trucks?
Here is the data of the question.
Length of spring unloaded = 220mm
Outer Diameter = 27mm
Inner Diameter = 15mm
Wire Diameter = 6mm
...
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Vector homework problem [closed]
This is a question from Engineering Mechanics by Shames. I am unable to resolve this as the question mentioned.
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How much force needs to be applied on a battery cell to maintain contact?
I'm designing a battery case for cylindrical li-ion batteries similar to the AA battery cases. We need to avoid spot welding to the cell directly since we want may need to replace some cells later for ...
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Can someone please explain how impact is absorbed?
I am unable to understand how springs and shock absorbers absorb impact. So it would be great if someone could explain how impact is absorbed; and if it could be used to protect someone's leg from ...
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How to draw a free body diagram of a cylinder under torsion?
What is the correct way to draw a free body diagram (FBD) for the following cylinder? Assume the cylinder and disc have been twisted to an angular deflection of $\theta$. Further assume that we are ...
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Deflection of Cantilever Beam with Midpoint Spring, Integration and Superposition Methods
How can I get the deflection required below using 1) the Integration and 2) Superposition methods (two ways)?
The beam $AB$ is supported by a spring $CD$, which is fixed at $C$ with constant $k$, and ...
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Inertial Force expression in spring
Let there be a spring as shown. And this is stretched to point C and released, then force exerted by spring on mass in region X2 is "- kx" . But This springs gains kinetic energy at mean ...
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What is this type of detent mechanism called?
I'm trying to find out what this common rotary detent mechanism is actually called. I see them in all sorts of cheap plastic toys, and I'd like to see if I can find them for sale, but I don't know ...
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What is the purpose of dead coils in the middle of a compression spring?
What purpose do dead coils in the middle of a spring serve? For example, this spring from a ballpoint pen has two dead coils at each end and two in the center of the spring. Why add dead coils in the ...
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How can you make a solid box jump up with no external forces?
Let's say I have a box lying on a flat surface.
Inside the box, I make a heavy mass hang from a spring attached to the top of the box.
If we pull the mass all the way down and let it go, I believe it ...
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Mechanical mechanism that regulates gear's rotational velocity
Please do note that I am a civil engineer not a mechanical engineer.
I have a gear that rotates at a speed that varies with time. Usually, it rotates at speeds higher than the desired speed. Is there ...
