What's the difference between force and shear?

Force


Definition:

  • (v. t.) To stuff; to lard; to farce.
  • (n.) A waterfall; a cascade.
  • (n.) Strength or energy of body or mind; active power; vigor; might; often, an unusual degree of strength or energy; capacity of exercising an influence or producing an effect; especially, power to persuade, or convince, or impose obligation; pertinency; validity; special signification; as, the force of an appeal, an argument, a contract, or a term.
  • (n.) Power exerted against will or consent; compulsory power; violence; coercion.
  • (n.) Strength or power for war; hence, a body of land or naval combatants, with their appurtenances, ready for action; -- an armament; troops; warlike array; -- often in the plural; hence, a body of men prepared for action in other ways; as, the laboring force of a plantation.
  • (n.) Strength or power exercised without law, or contrary to law, upon persons or things; violence.
  • (n.) Validity; efficacy.
  • (n.) Any action between two bodies which changes, or tends to change, their relative condition as to rest or motion; or, more generally, which changes, or tends to change, any physical relation between them, whether mechanical, thermal, chemical, electrical, magnetic, or of any other kind; as, the force of gravity; cohesive force; centrifugal force.
  • (n.) To constrain to do or to forbear, by the exertion of a power not resistible; to compel by physical, moral, or intellectual means; to coerce; as, masters force slaves to labor.
  • (n.) To compel, as by strength of evidence; as, to force conviction on the mind.
  • (n.) To do violence to; to overpower, or to compel by violence to one;s will; especially, to ravish; to violate; to commit rape upon.
  • (n.) To obtain or win by strength; to take by violence or struggle; specifically, to capture by assault; to storm, as a fortress.
  • (n.) To impel, drive, wrest, extort, get, etc., by main strength or violence; -- with a following adverb, as along, away, from, into, through, out, etc.
  • (n.) To put in force; to cause to be executed; to make binding; to enforce.
  • (n.) To exert to the utmost; to urge; hence, to strain; to urge to excessive, unnatural, or untimely action; to produce by unnatural effort; as, to force a consient or metaphor; to force a laugh; to force fruits.
  • (n.) To compel (an adversary or partner) to trump a trick by leading a suit of which he has none.
  • (n.) To provide with forces; to reenforce; to strengthen by soldiers; to man; to garrison.
  • (n.) To allow the force of; to value; to care for.
  • (v. i.) To use violence; to make violent effort; to strive; to endeavor.
  • (v. i.) To make a difficult matter of anything; to labor; to hesitate; hence, to force of, to make much account of; to regard.
  • (v. i.) To be of force, importance, or weight; to matter.

Example Sentences:

  • (1) They’re no crack force either; many are rather portly!
  • (2) I want to be clear; the American forces that have been deployed to Iraq do not and will not have a combat mission,” said Obama in a speech to troops at US Central Command headquarters in Florida.
  • (3) In early 2000, during the first months of Vladimir Putin’s presidency, Babitsky was kidnapped by Russian forces and disappeared for many weeks.
  • (4) Historical analysis shows that institutions and special education services spring from common, although not identical, societal and philosophical forces.
  • (5) Further, the maximal increase in force of contraction was measured using papillary muscle strips from some of these patients.
  • (6) "What has made that worse is the disingenuous way the force has defended their actions.
  • (7) Patrice Evra Evra Handed a five-match international ban for his part in the France squad’s mutiny against Raymond Domenech at the 2010 World Cup, it took Evra almost a year to force his way back in.
  • (8) DI James Faulkner of Great Manchester police said: “The men and women working in the factory have told us that they were subjected to physical and verbal assaults at the hands of their employers and forced to work more than 80-hours before ending up with around £25 for their week’s work.
  • (9) There have been numerous documented cases of people being forced to seek hospital treatment after eating meat contaminated with high concentrations of clenbuterol.
  • (10) Peak Expiratory Flow and Forced Expiratory Mean Flows in the ranges 0-25%, 25-50% and 50-75% of Forced Vital Capacity were significantly reduced in animals exposed to gasoline exhaust fumes, whereas the group exposed to ethanol exhaust fumes did not differ from the control group.
  • (11) She knows you can’t force the opposition to submit to your point of view.
  • (12) However in the deciduous teeth from which the successional tooth germs were removed, the processes of tooth resorption was very different in individuals, the difference between tooth resorption in normal occlusal force and in decreased occlusal force was not clear.
  • (13) In a series of compounds with H2-antihistaminic activity, a conformational analysis was performed based on force field calculations.
  • (14) Peptides from this region bind to actin, act as mixed inhibitors of the actin-stimulated S1 Mg2(+)-ATPase, and influence the contractile force developed in skinned fibres, whereas peptides flanking this sequence are without effect in our test systems.
  • (15) In order for the club to grow and sustain its ability to be a competitive force in the Premier League, the board has made a number of decisions which will strengthen the club, support the executive team, manager and his staff and enhance shareholder return.
  • (16) Of great influence on the results of measurements are preparation and registration (warm-up-time, amplification, closeness of pressure-system, unhurt catheters), factors relating to equipment and methods (air-bubbles in pressure-system, damping by filters, continuous infusion of the micro-catheter, level of zero-pressure), factors which occur during intravital measurement (pressure-drop along the arteria pulmonalis, influence of normal breathing, great intrapleural pressure changes, pressure damping in the catheter by thrombosis and external disturbances) and last not least positive and negative acceleration forces, which influence the diastolic and systolic pulmonary artery pressure.
  • (17) These reflexes can function to limit forces applied to a leg and provide compensatory adjustments in other legs.
  • (18) Five investigations into the force are being carried out by the IPCC.
  • (19) The data indicate that with force present for 10% of the time (1:9), there was little or no effect on eruption rate.
  • (20) The mechanical forces involved in neurite extension have begun to be quantified, and interactions between the actin and microtubule systems are being further characterized.

Shear


Definition:

  • (v. t.) To cut, clip, or sever anything from with shears or a like instrument; as, to shear sheep; to shear cloth.
  • (v. t.) To separate or sever with shears or a similar instrument; to cut off; to clip (something) from a surface; as, to shear a fleece.
  • (v. t.) To reap, as grain.
  • (v. t.) Fig.: To deprive of property; to fleece.
  • (v. t.) To produce a change of shape in by a shear. See Shear, n., 4.
  • (v. t.) A pair of shears; -- now always used in the plural, but formerly also in the singular. See Shears.
  • (v. t.) A shearing; -- used in designating the age of sheep.
  • (v. t.) An action, resulting from applied forces, which tends to cause two contiguous parts of a body to slide relatively to each other in a direction parallel to their plane of contact; -- also called shearing stress, and tangential stress.
  • (v. t.) A strain, or change of shape, of an elastic body, consisting of an extension in one direction, an equal compression in a perpendicular direction, with an unchanged magnitude in the third direction.
  • (v. i.) To deviate. See Sheer.
  • (v. i.) To become more or less completely divided, as a body under the action of forces, by the sliding of two contiguous parts relatively to each other in a direction parallel to their plane of contact.

Example Sentences:

  • (1) The sticking probability decreased as the cell receptor concentration was lowered from approximately 10(4) to 10(2) receptors per 4-microns diam liposome and as the shear rate increased from 5 to 22 s-1.
  • (2) Gonococcal outer membranes were purified by differential ultracentrifugation of sheared organisms treated with EDTA.
  • (3) This movement generates forward and backward shearing force in the stagnation region as the separated flow migrates back and forth.
  • (4) This model characterized the abnormal flow by a weak fluctuation of wall shear stress at the site adjacent to the vessel wall.
  • (5) The hemolytic characteristics of 14 different polydimethyl-siloxane materials were studied, using a rotating disk device to shear whole human blood for 6000 sec.
  • (6) Since the antithrombin action of heparin fails to interrupt arterial thrombosis, a mediating role for thrombin (EC 3.4.21.5) in the formation of high-shear platelet-dependent thrombus has been unproven.
  • (7) A propensity for elevated shear in the deep cartilage layer near the contact periphery, observed in nearly all computed stress distributions, is consistent with previous experimental findings of fissuring at that level in the impulsively loaded rabbit knee.
  • (8) The development of a shear transducer, small enough to be worn comfortably under a normal foot, is described, along with a microcomputer controlled data logger.
  • (9) In an emergency, the devices use multiple mechanisms – including clamps and shears – to try to choke off the oil flowing up from a pipe and disconnect the rig from the well.
  • (10) Cement was pressurized into the cavity of the anatomic specimens, and the maximum interface shear strength between the cement plug and the bone was experimentally determined for each revision.
  • (11) At the divider side walls, wall shear stresses are relatively high and approximately follow the flow rate distribution in time.
  • (12) Platelet adhesion onto subendothelium of a damaged blood vessel depends upon the presence of von Willebrand factor (vWf) only at high flow shear rate.
  • (13) Shear stress and first normal stress difference are measured as a function of shear gradient to calculate the apparent shear viscosity eta 1 and the apparent normal viscosity psi 7 as well as an apparent shear modulus G'.
  • (14) The accepted cause of this shear rate-dependent and time-dependent behavior is the progressive breakdown of rouleaux into individual red cells.
  • (15) The mean length of a population of microtubules containing GMPPCP increased only by 37% over a 150 min time period after shearing.
  • (16) By studying the kinetics of urease-catalyzed urea hydrolysis during application of hydrodynamic shear under varying chemical environments, we demonstrate that micromolar quantities of metal ions, in this case adventitious Fe, can accelerate the oxidation of thiol groups on urease and thus inactivate it when the protein is subjected to a shearing stress of order 1.0 Pa.
  • (17) The viscosity of these materials were measured by using the Ishida-Giken cone and plate high shear rheometer.
  • (18) The primate skull physical model data and the critical shear strain associated with the threshold for severe diffuse axonal injury were used to scale data obtained from previous studies to man, and thus derive a diffuse axonal injury tolerance for rotational acceleration for humans.
  • (19) Flagellar filaments were isolated from either culture fluid or concentrated cell suspensions that were subjected to shearing.
  • (20) Hemodilution seems particularly promising under hemodynamic condition of low shear stresses in vivo.