<transcript><audio_0> Il teorema delle forze vive</transcript><caption><image_1>The image is a screenshot of a computer screen with a whiteboard in the center. On the whiteboard, there are several equations written in black marker. The equations are written in a neat and organized manner, with some of them overlapping each other. 

The equations appear to be related to physics, as they are written on a piece of paper with a blue background. The first equation is "E = mgh = ug" and the second equation is written in red marker. There is also a red dot in the top right corner of the image, which could be a reference point for the equations.

At the bottom of the screen, there is a menu bar with various options such as "File", "Edit", "View", "Help", and "Help". There are also several buttons and menus visible on the screen.</caption><transcript><audio_2> nel caso in cui agiscano più forze contemporaneamente è spinto nello stesso verso in cui si sta muovendo quindi verso destra immaginiamo la forza totale che sia costante si capisce per la legge di Newton forza totale uguale a ma che</transcript><transcript><audio_3> andrà a produrre un'accelerazione del carrello quindi il carrello aumenterà di velocità e giunto in B la sua velocità sarà maggiore VB se andiamo a calcolare il lavoro che fa la forza totale sul carrello mentre il carrello</transcript><transcript><audio_4> Lo calcoliamo con questa formula, forza totale per lo spostamento per il coseno dell'angolo tra la forza e lo spostamento, che in questo caso è 0 e il coseno fa 1. Se poi andiamo a sostituire alla forza totale la legge di Newton, MA,</transcript> in this video we talk about the work theorem and kinetic energy also known as the living forces theorem let's imagine an object could be a cart in position which is traveling with a certain speed to the right it is pushed by a force it is the total force in the case  in which multiple forces act at the same time it is pushed in the same direction in which it is moving therefore towards the right let's imagine the total force being constant it is understood by Newton's law total force equal to me knows that this force will produce an acceleration of the trolley  then cart  it will increase in speed it has reached b the speed will be greater vb if we are going to calculate the work that the total force does on the trolley while the trolley moves from abi we calculate it with this formula total force for the movement times the cosine of the angle between  the force and the displacement which in this case is zero whose sine is one if we then replace the total force with Newton's law m a and the
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