What's the difference between brake and dynamometer?

Brake


Definition:

  • () imp. of Break.
  • (n.) A fern of the genus Pteris, esp. the P. aquilina, common in almost all countries. It has solitary stems dividing into three principal branches. Less properly: Any fern.
  • (n.) A thicket; a place overgrown with shrubs and brambles, with undergrowth and ferns, or with canes.
  • (v. t.) An instrument or machine to break or bruise the woody part of flax or hemp so that it may be separated from the fiber.
  • (v. t.) An extended handle by means of which a number of men can unite in working a pump, as in a fire engine.
  • (v. t.) A baker's kneading though.
  • (v. t.) A sharp bit or snaffle.
  • (v. t.) A frame for confining a refractory horse while the smith is shoeing him; also, an inclosure to restrain cattle, horses, etc.
  • (v. t.) That part of a carriage, as of a movable battery, or engine, which enables it to turn.
  • (v. t.) An ancient engine of war analogous to the crossbow and ballista.
  • (v. t.) A large, heavy harrow for breaking clods after plowing; a drag.
  • (v. t.) A piece of mechanism for retarding or stopping motion by friction, as of a carriage or railway car, by the pressure of rubbers against the wheels, or of clogs or ratchets against the track or roadway, or of a pivoted lever against a wheel or drum in a machine.
  • (v. t.) An apparatus for testing the power of a steam engine, or other motor, by weighing the amount of friction that the motor will overcome; a friction brake.
  • (v. t.) A cart or carriage without a body, used in breaking in horses.
  • (v. t.) An ancient instrument of torture.
  • () of Break

Example Sentences:

  • (1) But, in a sign of tension within the coalition government, the Liberal Democrats home affairs spokesman, Tom Brake, told BBC2's Newsnight that "if [the offenders in question] had committed the same offence the day before the riots, they would not have received a sentence of that nature".
  • (2) He said: "Advanced economies are still confronted with high levels of public and private debt, which act as brakes on the recovery.
  • (3) With skills and labour shortages set to continue, there’s a risk that many vacancies will be left unfilled which could act as a brake on output growth in the UK in the years ahead.” The most recent labour market data from the Office for National Statistics (ONS) showed that while EU nationals were still arriving in the UK, they were doing so in smaller numbers than in the past.
  • (4) Koehler confirmed German media reports that the truck had apparently been slowed by an automatic braking system, bringing it to a standstill after 70 to 80 metres (230-260ft) and preventing worse carnage.
  • (5) Motor-perceptual performance was measured in terms of reaction times taken by subjects to carry out steering, braking and operation of traffic indicators in the simulator.
  • (6) The technology is also there for green-laning, says Everett – intelligent traffic lights that recognise where traffic is coming from, allowing cars to flow more freely and cutting down on unnecessary braking and restarting, which wastes energy.
  • (7) Trade-offs among competing selective demands exert the only brake upon perfection; non-optimality is thereby rendered as a result of adaptation as well.
  • (8) Decc now proposes to include an "emergency brake" mechanism which would close the RHI scheme down as payments approached pre-set levels.
  • (9) Simulated braking responses have been tested in relation to blood carboxyhemoglobin (HbCO) levels.
  • (10) The results during wakefulness indicate that the TA contributes to an active adduction of the vocal cords in expiration and suggest the presence of an active laryngeal braking mechanism during exhalation.
  • (11) The chancellor stressed that Britain’s relationship with the EU would remain unchanged for the time being – and ditched the idea, launched alongside his predecessor Alistair Darling during the campaign – that an emergency budget would be necessary within weeks, as Brexit slams the brakes on the economy.
  • (12) My assembly report, Braking Point , showed the big advantages of making 20mph the default speed limit for urban areas and, as the previous mayor's road safety ambassador, I pressed for the adoption of the zero-casualty approach applied in Scandinavian countries.
  • (13) The eastern European nations balked at the “emergency brake” on benefits to EU migrants.
  • (14) The perturbation consisted of a braking of the treadmill at different phases in the step cycle.
  • (15) An automatic control system has been integrated in an electronically braked bicycle ergometer, and a pedal unit from Rodby Electronic bicycle ergometer RE 820 has been coupled to a modified test wheelchair.
  • (16) Here are 10 things that could put the brakes on your mortgage hopes, and how to try and fix them.
  • (17) Scientists say the drug works by taking the brakes off the immune system.
  • (18) Less than two months after his arrival at Tesco, Lewis has already put the brakes on three stores as he examines “all aspects of the group in order to improve its competitive position and deliver attractive, sustainable returns for shareholders”.
  • (19) While the case would bring publicity to the issue of the rights or interests of "non-human persons", something for which some people have been arguing for a long time, if the case fails and there is then case law history against recognising those rights, that would not be helpful for the cause, Brakes warned.
  • (20) Exercise testing was performed with an electrically braked bicycle ergometer in the supine position, and the load was increased by 25 or 50 watts every two minutes until fatigue, severe angina, more than 0.3 mV ST-segment depression, or 80% of the age predicted maximum heart rate was achieved.

Dynamometer


Definition:

  • (n.) An apparatus for measuring force or power; especially, muscular effort of men or animals, or the power developed by a motor, or that required to operate machinery.

Example Sentences:

  • (1) Equal bilateral skin tension at the suture line, checked with a spring dynamometer, resulted in a marked increase in the amount of skin excised on the presutured side.
  • (2) The retentive force was measured with a dynamometer.
  • (3) Isokinetic dynamometers are passive devices which resist applied forces and control the speed of exercise at a predetermined rate.
  • (4) Body composition was assessed by skinfold measurement and strength measured by dynamometer.
  • (5) Experimental trials involved maximal leg extensions performed on a Cybex II dynamometer under conditions of euhydration and hypohydration of minus 3% body weight.
  • (6) The purpose of this paper is to describe a method for measuring and recording static and dynamic external rotation of the glenohumeral joint using the Cybex II Isokinetic Dynamometer and an MFE model 815 X-Y plotter.
  • (7) The torque forces of elbow extensor musculature of 28 men were tested with an isokinetic dynamometer to determine the relationships between maximal isokinetic torque generated at various speeds and maximal isometric forces at specified angles in the arc of elbow extension.
  • (8) A review of related literature and trends was used to develop a protocol for testing range of motion, isometric strength, velocity, endurance, and consistency of effort in the low-back pain (LBP) population by the use of the triaxial, Isostation B-200 Lumbar Dynamometer.
  • (9) Comprised of four octagonal half strain rings, the strain gage dynamometer measures the three moment load components at the boot.
  • (10) Hip, knee, and ankle joint muscular strength were assessed on a Cybex Leg Press Dynamometer.
  • (11) Strength and endurance, tested by the Cybex-II isokinetic dynamometer, showed no significant difference between operated and healthy extremity.
  • (12) Maximum isometric and isokinetic strength of knee extension was measured in 15 patients and 15 healthy matched subjects, using an isokinetic dynamometer (Cybex II).
  • (13) All subjects were instructed to react to the sudden forward movement of the input arm of the Kin-Com Isokinetic Dynamometer with contraction of the hamstring.
  • (14) The muscle strength of 11 muscle groups was measured with a hand-held dynamometer.
  • (15) Eleven subjects squeezed an electronic dynamometer, at each of three force levels, with both their right and left hands.
  • (16) Selected strength measures were obtained from a Cybex II isokinetic dynamometer at 30 degrees sec-1.
  • (17) The independent variables were elbow-extensor muscle tone (graded using the Modified Ashworth Scale); active elbow-flexion range-of-motion deficit measured without the influence of gravity; and elbow-flexion strength measured without the influence of gravity with a hand-held dynamometer.
  • (18) This retrospective study was undertaken to determine the test-retest reliability of hand-held dynamometer strength testing for 18 extremity muscle groups.
  • (19) After the dynamometer had been set to the position at which the patient had previously achieved maximal grip strength, the patient was instructed to rapidly alternate hands while gripping the dynamometer.
  • (20) Determine test-retest reliability, normative data and clinical validity of isometric muscle strength testing in the neck with a modified sphygmomanometer dynamometer (MSD).

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