# Hooke's law

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## Hooke's law

(hʊks)
n
(General Physics) the principle that the stress imposed on a solid is directly proportional to the strain produced, within the elastic limit
[C18: named after Robert Hooke ]

## Hooke's law

A law in physics stating that the extent to which an elastic material will change size and shape under stress is directly proportional to the amount of stress applied to it. If a spring is stretched to a length of 6 inches (15.2 centimeters) by a force of 1 newton, for example, it will be stretched to a length of 12 inches (30.4 centimeters) by a force of 2 newtons.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 Hooke's law - (physics) the principle that (within the elastic limit) the stress applied to a solid is proportional to the strain producedlaw of nature, law - a generalization that describes recurring facts or events in nature; "the laws of thermodynamics"natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
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The crosslink density on the part produced under these conditions can be measured via equilibrium swelling, for example, and correlated to part performance criteria like compression set, spring constant and any other property.
where: [m.sub.t] is the total mass of the plunger and the spool, kg, [k.sub.s] is the spring constant, N/m, and C is the damping coefficient, Ns/m.
Based on these parameters, the adopted predictive control strategy proved itself robust, capable of dealing with variations in valve parameters value, such as changes of 20% in the spring constant and the stiction value which causes mismatch between controller model and valve model.
These probes have a nominal radius of 8 nm and a cantilever with a nominal spring constant of 5[Nm.sup.-1] and resonant frequency of 150 kHz.
Although the torsional spring constant can be calculated analytically and modelled through finite element methods, it is essential to have experimental verification of such a key parameter of the device.
The stiffness of the flange joint is modeled as the spring constant of the CBUSH element.
Oil pump control design specifications include the control hole diameter, spring constant, control ring geometry, and internal pressure between the rotors (Fig.
The spring constant for axisymmetric shear wave propagation problems is determined as
where m is the proof mass, b is the damping coefficient, and k is the spring constant. If m = 20 mg, b = 2.4 x [10.sup.-3] Nm/s and k = 100 N/m; the frequency domain characteristic curve of M(s) is shown in Figure 2.
Quarter car vehicle model parameters Symbol Description Value [m.sub.1] Body mass 200 kg [m.sub.2] Wheel mass 33 kg [c.sub.s] Damping ratio 1600 Ns/m [k.sub.1] Spring constant 9000 N/m [k.sub.2] Spring constant 200000 N/m Table 2.
To determine the rotational spring constant, it is assumed that the deformation is distributed linearly across the width of the support where the top surface of the pad remains plane after rotation d as shown in Figure 2(c).

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