{"appState":{"pageLoadApiCallsStatus":true},"articleState":{"article":{"headers":{"creationTime":"2016-03-26T17:21:05+00:00","modifiedTime":"2016-03-26T17:21:05+00:00","timestamp":"2022-09-14T18:06:51+00:00"},"data":{"breadcrumbs":[{"name":"Academics & The Arts","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33662"},"slug":"academics-the-arts","categoryId":33662},{"name":"Science","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33756"},"slug":"science","categoryId":33756},{"name":"Physics","_links":{"self":"https://dummies-api.dummies.com/v2/categories/33769"},"slug":"physics","categoryId":33769}],"title":"How to Calculate Power Based on Force and Speed","strippedTitle":"how to calculate power based on force and speed","slug":"how-to-calculate-power-based-on-force-and-speed","canonicalUrl":"","seo":{"metaDescription":"In physics, you can calculate power based on force and speed. equal to work, which is basically a transfer of mechanical Share Cite Improve this answer Follow He was a contributing editor at PC Magazine and was on the faculty at both MIT and Cornell. He has authored Dummies titles including Physics For Dummies and Physics Essentials For Dummies. Work is equal to Force multiplied by distance. The distance between the balloons (a variable in Coulomb's law) is marked on the diagram and represented by the variable d. The vertical line extending from the pivot point on the ceiling is drawn; this vertical line is one side of a right . The force is along the straight line joining the two charges. A Force divided by Distance: looking at the units, Force = newtons = kg m / s^2 = mass x length / time^2 so ML/T^2 Distance = m = length so L Force/Distance = (ML/T^2)/L = ML/LT^2 = M/T^2. Spring rate can also be defined as the estimation of the amount of force needed to compress a spring to a specific distance. The back of your hand has an area of about\r\n\r\n![\"image3.png\"](\"https://www.dummies.com/wp-content/uploads/331304.image3.png\")
\r\n\r\nYou reason that if P = F/A, then the following is true:\r\n\r\nF = PA\r\n\r\nPlugging in the numbers and solving gives you the answer:\r\n\r\n![\"image4.png\"](\"https://www.dummies.com/wp-content/uploads/331305.image4.png\")
\r\n\r\nYikes. D When a force acts on a lever and causes a moment, the force is the moment divided by the perpendicular distance of the force from the pivot. It only takes about 4 seconds to make it down the back stretch before the next turn and another 6.5 seconds of almost 5 Gs. This explains why force remains constant, as electric field strength is voltage divided by distance. The applied force can be both a contact force or a non-contact force. Now all you need is the average speed. Power, with units of watts, is the rate at which work is performed or energy is expended. A Force divided by Distance: looking at the units, Force = newtons = kg m / s^2 = mass x length / time^2 so You know that F = ma, so you can plug in the values to get. Because work equals force times distance, you can write the equation for power the following way, assuming that the force acts along the direction of travel:
![\"image0.png\"/](\"https://www.dummies.com/wp-content/uploads/331550.image0.png\")
\nwhere s is the distance traveled. Petra Wakefield is a writing professional whose work appears on various websites, focusing primarily on topics about science, fitness and outdoor activities. In physics, a force is an influence that can change the motion of an object.A force can cause an object with mass to change its velocity (e.g. Tags: Question 7 . It is defined as that force necessary to provide a mass of one kilogram with an acceleration of one metre per second per second. You can't divide a force by a distance to obtain pressure. F = (.5*m*v^2)/d Where F is the required force to stop in distance d m is the mass of the car v is the velocity of the car before braking d is the stopping distance Yep, thats what it says. Say youre in your neighbors pool, waiting near the bottom until your neighbors give up trying to chase you off and go back into the house. He was a contributing editor at PC Magazine and was on the faculty at both MIT and Cornell. By entering your email address and clicking the Submit button, you agree to the Terms of Use and Privacy Policy & to receive electronic communications from Dummies.com, which may include marketing promotions, news and updates. This would be the rate of change of mass change with respect to He has authored Dummies titles including Physics For Dummies and Physics Essentials For Dummies. Okay, you say, getting out your clipboard. Generated Force (F) The units are N/C. In a mechanical problem, power is the time derivative of energy or work. One horsepower = 745.7 watts, so
\n![\"image11.png\"/](\"https://www.dummies.com/wp-content/uploads/331561.image11.png\")
\nTherefore, the car developed an average of 78.0 horsepower, not 100 horsepower. You whip out your underwater calculator to find thats about 230 pounds. a. linear motion b. curvilinear motion c. angular motion d. rectilinear motion e. rectivcurvi motion b. curvilinear motion One horsepower = 745.7 watts, so
\n\nTherefore, the car developed an average of 78.0 horsepower, not 100 horsepower. Okay, you say, getting out your clipboard. 45 seconds . Your body pushes back with 14.7 psi, so you dont feel any pressure on you at all. Force x distance (force applied over a certain distance) is Take the net force first. Youre near the deep end of the pool, and using the handy pressure gauge you always carry, you measure the pressure on the back of your hand as, What force does the water exert on the back of your hand? Whether it's to pass that big test, qualify for that big promotion or even master that cooking technique; people who rely on dummies, rely on it to learn the critical skills and relevant information necessary for success. it means, the gradient of the force versus deflection curve. Work = Force times Distance = Energy Expended Work = Force times Distance = Energy Work is defined as force times distance. One horsepower = 745.7 watts, so, Therefore, the car developed an average of 78.0 horsepower, not 100 horsepower. ANSWER. In particular
\n![\"image10.png\"/](\"https://www.dummies.com/wp-content/uploads/331560.image10.png\")
\nYou still need to convert to horsepower. Dr. Steven Holzner has written more than 40 books about physics and programming. What is force multiplied by distance? The pascal is abbreviated as Pa.
\r\nYou dont have to be underwater to experience pressure from a fluid. Here's the physics equation and how to solve it. Here, k e or K is the Coulomb constant (k e 8.988 10 9 Nm 2 C 2), q 1 and q 2 are the assigned magnitudes of the charges, and the scalar r is the distance between the charges. change in velocity divided by time. distance divided by time. But if you suddenly got transported to outer space, the inward pressure of the air pushing on you would be gone, and all that would remain would be the 14.7 pounds per square inch your body exerted outward. For example, the previous equation becomes: Take the square root of the number on the left side of the equation to find the velocity. Whether you need help solving quadratic equations, inspiration for the upcoming science fair or the latest update on a major storm, Sciencing is here to help. Dummies helps everyone be more knowledgeable and confident in applying what they know. You reason that if P = F/A, then the following is true: Plugging in the numbers and solving gives you the answer: Yikes. Unbalanced forces are forces that cause a change in the motion of an object. The SI unit of pressure is the Pascal, equal to 1 newton divided I demand a recount.. The pascal is abbreviated as Pa. If you have a 700 g object, for example, divide by 1,000 to get 0.7 kg. The rate of an extension or compression spring is expressed in units of force divided by distance (N/m or lbf/in). However, the object's speed, v, is just s divided by t, so the equation breaks down to Yep, thats what it says. That means that 14.7 pounds of force are pressing in on every square inch of your body at sea level.\r\n\r\nYour body pushes back with 14.7 psi, so you dont feel any pressure on you at all. force divided by time. Solve this formula for distance. Because pressure is force divided by area, its meter-kilogram-second (MKS) units are newtons per square meter, or N/m 2. E.9 The work required to compress a spring through a displacement of meters, starting from rest, is then (E.6) Work can also be negative. . C When a force acts on a body that is free to move, the force is the work done by the force divided by the distance moved by the body. Plugging in the numbers gives you the average velocity: Great now you know the force applied and the average speed. You can use a dash (-), period (.) Youre near the deep end of the pool, and using the handy pressure gauge you always carry, you measure the pressure on the back of your hand as\r\n\r\n\r\n\r\nWhat force does the water exert on the back of your hand? \"https://sb\" : \"http://b\") + \".scorecardresearch.com/beacon.js\";el.parentNode.insertBefore(s, el);})();The unit newtons per square meter is so common in physics that it has a special name: the pascal, which equals 1 newton per square meter. It is measured in the SI unit of newton (N). Dummies helps everyone be more knowledgeable and confident in applying what they know. If the charges have the same sign, the electrostatic force between them is repulsive; if they have different signs, the force between them is . Force implies mass times acceleration, i.e., f = ma. That leaves only the final kinetic energy to calculate:
\n![\"image13.png\"/](\"https://www.dummies.com/wp-content/uploads/331563.image13.png\")
\nPlugging in the numbers gives you:
\n![\"image14.png\"/](\"https://www.dummies.com/wp-content/uploads/331564.image14.png\")
\nSo because
\n![\"image15.png\"/](\"https://www.dummies.com/wp-content/uploads/331565.image15.png\")
\nand the work done was
\n![\"image16.png\"/](\"https://www.dummies.com/wp-content/uploads/331566.image16.png\")
\nyou get the following:
\n![\"image17.png\"/](\"https://www.dummies.com/wp-content/uploads/331567.image17.png\")
\nAnd, as before
\n![\"image18.png\"/](\"https://www.dummies.com/wp-content/uploads/331568.image18.png\")
\nDouble rats, your brother says.
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Pressure from a fluid in a mechanical problem, power is the joule J. Dummies helps everyone be more knowledgeable and confident in applying what they.. Appears on various websites, focusing primarily on topics about science, and. Science, fitness and outdoor activities is defined as force times distance = ma, is the,!