但因为过程中出现了两个不同方向的力 所以work done 不是0. 回上面的一位: Work done = F．s (那点是dot product) 这式中F必须是同一个力 因为这条问题中有两个不同的力在不同时间出现 所以虽然最终的s=0 但total workdone 也不是0.No the wer is zero since in the equation W=Fs....
Clearly, m×a = F, therefore, the above equation will become, W = F × D This is the required relation of the work done. Dimensional Formula of Work We clearly know that work is defined as the product of Force and Displacement, here we have, Dimensional Formula of Force = [M1L1T−...
W=∫F.ds This equation is basically a path integral. Thus work can be expressed as the area under the curve of the graph of force plotted against displacement. Integration helps in finding the area by cutting the curve into infinitesimal segments of uniform width, measuring the area of the ...
Its equation of motion can be written as: v2 –u2 = 2as Multiplying this equation by ‘m’ and dividing throughout by 2, we get: mv2/2 – mu2/2 = mas; where ‘m’ is the mass of the object. Hence, mv2/2 – mu2/2 = Fs; where F is the force that caused the havoc!
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Work is related to power through the equation P = W/t, where P is power, W is work, and t is time. This means that power is the rate at which work is done. For example, if an object is moved a certain distance in a shorter amount of time, more power is being used to do th...
Now the equation for kinematics is, “ω=ω0+αt”, where “ω0” denotes angular velocity in the initial stages. Rotational Work Formula The term rotational work formula can be determined as addition of all the external torques that are applied to the rigid body; when rotated over an ...
One that kind of caught me off guard is the equation they used for the sigmoid activation. While the equation is correct, it is not in the same format that I usually see in ML books.Overall, I really like that they use a wide variety of datasets and apply data science principles while...
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While human propulsion is part of the power equation, it's not a central one, Bubilek says. Still, the machine looks a lot like a bicycle, albeit a futuristic one, with its 3-inch-wide (7.62-centimeter-wide) wheels and bicycle-style seat, pedals, gears and handlebars. And the bicycle...