[2 marks] Political or social authority or control, especially that exercised by a government. If work is done faster, power is higher. Power definition, ability to do or act; capability of doing or accomplishing something. Sentences (1) and (2) are equivalent if the or is the inclusive or and if we understand "prohibited" in (2) to mean "no (drinking and eating)". 2. to supply a device with energy. Kinetic Energy - Kinetic energy is the energy of motion. 3. Thus, those students that relate the word to physical variables are more Work is the displacement of an object when a force (push or pull) is applied to it. The work done by all the forces is equal to the change that takes place in kinetic energy. Pierre had managed to start a conversation with the abbe about the balance of power, and the latter, evidently interested by the young man's simple-minded eagerness, was explaining his pet theory. What is Work? . Basic Physics. the unit of power equal to one joule of energy transferred in one second. ; All the energy available is applied directly to the piece of apparatus at the time it is being operated. 17. Note that 'to' infinitives and 'ing' forms are not finite verbs. Different conductors have different resistance to current flow. How to use power in a sentence. More example sentences. 5. : Many early fire-makers learned to further improve the fire-drill by adding mechanical advantage to the technique. Potential Energy - This is energy due to an object's position. 1. Whatever I do, I will do in my power. Katrina's lunch was warm in one minute while Raul's lunch took two . 2.1. The word 'physics' is a noun, a word for the branch of science concerned with the nature and properties of matter and energy; a word for a thing.A noun functions as the subject of a sentence or a . What does power mean? 30. Accounting for energy-loss during the energy transformation in the power-plant, common desalination plants use 2 3 times more energy than stated in the usual performance data. Answers: 3 | Read then sentences carefully, Identify what particular fitness component are develop in the following physical activities. ; The pointed fingers were pale, but they grasped the time-stick with an energy like naked nerve. Work, for instance, relates to the total amount of energy that gets transferred to or from a system by a force. the unit of power equal to one joule of energy transferred in one second. 'the party had been in power for eight years'. A swinging pendulum has kinetic energy. Discipline may be identified neither with an institution nor with an apparatus; it is a type of power, a modality for its exercise, comprising a whole set of instruments, techniques, procedures, levels of application, targets; it is a 'physics' or 'anatomy' of power, a technology. n. 1. a. : We need the mechanical advantage, or torque multiplication, that gearing provides . In the International System of Units, the unit of power is the watt, equal to one joule per second. Example Two electric motors are used to lift a 2 N weight through a vertical height of 10 m. Moreover, it is a very important thing that allows us to see the rate at which electrical energy transfers from an electric circuit. 263+97 sentence examples: 1. It is a measure of the rate at which work is done (or similarly, at which energy is transferred). Physics PDF. Work, energy, and power are three important concepts in the field of Physics. At high frequency, the user position and velocity estimates of the navigator are fed back to the GPS tracking loops. For each of the following equations, write one sentence explaining the meaning of the equation in words, and a second sentence describing a situation where you would use this equation: Choose one piece of information or one skill which you think you might use in your life 10 years from now. Ability to do, act, or produce. It is enough if one tries merely to comprehend a little of this mystery each day. A common physics lab involves quickly climbing a flight of stairs and using mass, height and time information to determine a student's personal power. kilowatt. Physics. Current is the rate at which charge moves past a point on a circuit. Define power. Work is calculated as the force times the distance. ; They were of a tragic and tremendous sort, and were performed with great energy and earnestness. You can have an x-axis that looks like the one in the section above or a y-axis, also in the section above. the product of the force exerted on an object and the distance the object moves in the direction of the force. The engine has a piston displacement of 61 inches. Heat - Heat or thermal energy is energy from the movement of atoms or molecules. This is an energy transfer diagram for the generation of electricity from a fossil fuel such as coal. With your good grades in math and chemistry, you will have no trouble finding work in a science. power synonyms, power pronunciation, power translation, English dictionary definition of power. Use the correct equation from the Physics Equations Sheet. (physics) The rate at which work is done, expressed as the amount of work per unit time and commonly measured in units such as the watt and horsepower. work. The power from a car engine is the power of a bicycle because a car engine does the same amount of work in time. The interference occurring at both sides of the first mirror (assuming one incident electric field) compensate each other . The work done by all the forces is equal to the change that takes place in kinetic energy. If you want to power a car, you must fill its gas tank with gasoline so it can drive and an electrical battery to use its normal systems. Raul and Katrina equally shared a frozen lunch but heated each portion in two different microwaves. Power Sentence Examples. Using the term "criticality" may seem counter-intuitive as a way to describe . Quotes about power . How to use Physics-based in a sentence? $\begingroup$ @jamesqf It's true, and may be due to the fact that the kilogram was, in the original definition, the unit of weight. Improve this question. Answers: 1 on a question: Read each scenario below. Success isn't measured by money or power or social rank. The Physics Classroomnotes a few: a horse pulling a plow through the field; a father pushing a grocery cart down the aisle of a grocery store; a student lifting a backpack full of books upon her shoulder; a weightlifter lifting a barbell above his head; and an Olympian launching the shot-put. Nuclear power: A form of energy produced by an atomic reaction, capable of producing an alternative source of electrical power to that supplied by coal, gas, or oil. 17. You might be at positive 6 meters . Physics, 22.06.2019 10:30 Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. 21. Work, energy, and power are three important concepts in the field of Physics. When the atom-splitting reactor of a nuclear power plant is operating normally, it is said to be "critical" or in a state of "criticality.". The greatest trap in our life is not success, popularity or power, but self-rejection. The inside surface of a cylindrical-shaped cave of inner diameter 1.0 m is continuously covered with a very thin layer of water. In older works, power is sometimes called activity. energy. Magnet Science 6 contains a unique unit at the end of the year that covers Rube Goldberg Machines, and their relations to physics and energy transformations. To dissipate power in a circuit with only those components, the resistor is the essential element. I was troubled with displacement of the womb and other female weakness. Electric power is a widely used term in physics as you must be aware of. Physics, or the study of matter, energy, and the interactions between them, helps us to understand the laws and rules that govern the physical world. For example, a ball sitting on a table has potential energy with respect to the floor because . Power Formula. Examples of Power in a sentence. Definition of Power. Table of Contents. bulldozer sentence he/she said "the bulldozer moves the rock into place, there is mass and acceleration." The latter student is using the physical variables involved in force to explain why the word force in the sentence has a physics meaning. Power is a time-based quantity. POWER Power is the rate of work done in a unit of time. SINCE 1828. The relationship between power, current and electric potential difference can be derived by combining the mathematical definitions of power, electric potential difference and current. Physicists and physics students are referred to as 'he' not out of sexist motivation, but is a reflection of the plain fact that at that period of history almost all physicists and physics majors were male. If work is done slower, power is smaller. Power is the great aphrodisiac. It is a necessary state for the process when essential electricity is being produced. The ability to accurately measure power was one of the key abilities which allowed early engineers to develop the steam engines which drove the industrial revolution. - Henri Nouwen 3. This article discusses work, energy and power in detail. Frontiers in Physics - DOI: 10.3389/fphy.2019.00093 . The resistance of the lamp falls as that of the ballast rises. Table 1 Student Weight in newtons Time taken in seconds Power in watts A 285 3.8 240 B 360 2.4 480 C 600 3.4 560 D 725 4.0 580 6 (c) (i) To make a fair comparison of their powers the students kept one variable in the experiment constant. The measurements taken and the calculated values for power are given in Table 1. Examples of Exert in a sentence. Work, in physics, occurs when a force acts on an object to move it some distance from the start point (also called displacement). The dictator will use military force to exert control over his people. 'But that was a revolution which brought the capitalist class to political power.'. In physics, power is the amount of energy transferred or converted per unit time. Since work is force times displacement (W=F*d), and velocity is displacement over time (v=d/t), power equals force times velocity: P = F*v. More power is seen when the system . ability to act or produce an effect; ability to get extra-base hits; capacity for being acted upon or undergoing an effect… See the full definition. ; All the energy available is applied directly to the piece of apparatus at the time it is being operated. in Colloid and Interface Science Physical Review Letters Critical Reviews in Solid State and Materials Sciences Journal of Power Sources Journal of Catalysis Environmental Science: . power. Load for your neighborhood of one large city block: 240 000W at 120V = 2000A thru the lines to the power plant. Work, Energy and Power are fundamental concepts of Physics. 5. In a series LCR circuit R=200 ohm and the voltage and the frequency of the main supply is 220 V and 50 Hz respectively. This means that for every extra joule that is transferred per second, the power increases by one watt. The noise he heard was the swift displacement of water. power. Weightlifting is an exceptionally powerful sport. Success is measured by your discipline and inner peace. In physics, position is usually a number on an axis. The measure of a conductor's opposition to current flow is known as the resistance of the conductor. The patella is the largest sesamoid bone in the body and provides increased mechanical advantage for knee extension. The resistance of conductors is subject to change by changes in temperature. One can never speak enough of the virtues, the dangers, the power of shared laughter . work. In fact, and until the 1960s (more or less) many calculations were done with the MKS system, where the reference unit was the force, its unit being the kilogram-force or kilopond, (weight of the standard kilogram) and the mass was a derived unit, often called UTM . the cave is constantly exposed to wind such that 15.5 °c air flows through the cave at 4.5 m/s. What variable did the . Physics definition, the science that deals with matter, energy, motion, and force. Multi Physics Analysis 10.1002/MDP2.32 A multiscale and multi-physics analysis is performed to identify and optimise critical manufacturing parameters -laser speed and power. Not every student will grow up and study physics on a deeper level, but everyone uses basic physics concepts to navigate everyday life. ; The pointed fingers were pale, but they grasped the time-stick with an energy like naked nerve. In physics, the term "work" has a specific meaning. We can define average power as the total energy consumed divided by the total time taken. It is in Joules and is a scalar quantity. He who stands alone has no powe Short & Simple Example Sentence For Resistance | Resistance Sentence. the water on the cave surface is at a constant temperature of 15.5 °c. It is in Joules and is a scalar quantity. determine the rate of heat transfer to . container<br />6. gymnast performing a split<br />7. throwing a basketball to . : The high pitched voice rasps out the names of the students with machine . : A rope over a single fixed pulley gives an ideal mechanical advantage of unity. Here are 5 examples to illustrate […] However, power just shows us the time that the work requires. 5. 11. : To quantify the cortical flow we measured the mean velocity of the myosin foci using kymographs. Explore the definition and and see examples of force, such as force on a moving . . Inductive reasoning, or induction, is making an inference based on an observation, often of a sample.. How do you use induction in a sentence? 12. www.use-in-a-sentence.com English words and Examples of Usage use "physics" in a sentence 1923 Nobel prize winner for physics Robert Millikan once stated, "There is no likelihood man can ever tap the power of the atom." In physics we use many graphs and charts to learn the concepts. equal to 1000 watts. (noun) Dictionary . It is known that constructive interference in one place must be compensated for by destructive interference in another. Work, Energy and Power (A level) Work is done when a force moves the object in the direction of the force and is given by the product of the force and the distance moved in the direction. View synonyms. The meaning of POWER is ability to act or produce an effect. In physics, force is an interaction between two or more physical objects that causes a push or a pull between them. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. In general, for work to occur, a force has to be . power - (physics) the rate of doing work; measured in watts (= joules/second) . They think that more power full machine does more work. His father, also named Isaac Newton, had died three months before. The energy of this current is derived from the chemical action of the acid on the zinc. Updated on January 29, 2020. It can be misunderstood by most of the students. In order to power an electronic device, you must plug it into a source of electrical energy for it to run. Power invariably means both responsibility and danger. Calculated for the mean Displacement of 3,000 Tons. Physics 4 1. That the power hasn't been off very long. Insulation resistance varies inversely as the length of the conductor. Power is defined as the rate at which work is done upon an object. 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