Fisica: Forza e Movimento

207.7 N.

490.5 N.

417.6 N.

<p>Friction e normal contact forces.</p> Signup and view all the answers

<p>20 kg.</p> Signup and view all the answers

<p>Per le equilibrio de fuerzas vertical, $FN = mg$.</p> Signup and view all the answers

<p>Le objecto non movet horizontalmente.</p> Signup and view all the answers

<p>Decrese.</p> Signup and view all the answers

<p>Le direction es tangent al caminho.</p> Signup and view all the answers

<p>Le acceleration es le taxa de mutation de velocitate.</p> Signup and view all the answers

<p>500 N</p> Signup and view all the answers

<p>250 N</p> Signup and view all the answers

<p>Le formula es $a = \frac{\Delta v}{\Delta t}$.</p> Signup and view all the answers

<p>1355 N</p> Signup and view all the answers

<p>Le velocitate remane invariabil, sin mutation.</p> Signup and view all the answers

<p>Velocitate se refiere al cambio in velocitate in le tempore, mentre velocitate instantaneous es un valor precis in un puncto tempore.</p> Signup and view all the answers

<p>63.7°</p> Signup and view all the answers

<p>Isto implica un cambio in acceleration.</p> Signup and view all the answers

<p>784 N</p> Signup and view all the answers

<p>Un carro que accelera de 0 a 10 m/s es un exemplo.</p> Signup and view all the answers

<p>375 N</p> Signup and view all the answers

<p>Le unitate es m/s².</p> Signup and view all the answers

<p>866 N</p> Signup and view all the answers

<p>Per le funzione tangente, $ heta = an^{-1}(rac{F_{vertical}}{F_{horizontal}})$.</p> Signup and view all the answers

<p>Le prime passo es traciar le objecto de interesse in isolation.</p> Signup and view all the answers

<p>Debet esser incluse omnes le forzas externe que actua supra le objecto, inclusive forzas de contacto e non-contacto.</p> Signup and view all the answers

<p>Illos permite usar le prima lege de Newton pro verificar si le objecto es in equilibrio static.</p> Signup and view all the answers

<p>Le component normal es le forza perpendicular al superficie de contacto, e le component parallel es le forza parallel al superficie.</p> Signup and view all the answers

<p>Le secunde lege de Newton es usate pro investigar le movimento accelerate.</p> Signup and view all the answers

<p>Se conta le numero de objectos in contacto con le objecto de interesse, e pro cada objecto, se include un component normal e un component parallel.</p> Signup and view all the answers

<p>Un objecto in movimento con velocitate constante es in equilibrio static o dynamico, con le summa de forzas pari a zero.</p> Signup and view all the answers

<p>Traciar le forzas como vectores permite representar sia le magnitud e le direction del forzas.</p> Signup and view all the answers

<p>Le coordenatas de un vector se determina usando le formulas $x = l imes ext{cos}( heta)$ e $y = l imes ext{sin}( heta)$.</p> Signup and view all the answers

<p>Le producto scalar de un vector es le multiplication del vector per un scalar, quod modifica le longitud del vector senza cambiar su direction.</p> Signup and view all the answers

<p>Le addition de duo vectores $V_1$ e $V_2$ es equal a $V_1 + V_2 = (x_1 + x_2, y_1 + y_2)$.</p> Signup and view all the answers

<p>Le resultato es $V - W = (−2 + 3, 3 + 3) = (1, 6)$.</p> Signup and view all the answers

<p>Le producto dot de duo vectores $V = (x_1, y_1)$ e $W = (x_2, y_2)$ es $V ullet W = x_1 imes x_2 + y_1 imes y_2$.</p> Signup and view all the answers

<p>Isto significa que $V$ es un vector con le componente x e y in le dui directiones del plano 2D.</p> Signup and view all the answers

<p>Le addition e subtraction de vectores se pote visualisar como le combinação de duos segmentos de linea, donde le punta del primo vector connecta al origine del secundo.</p> Signup and view all the answers

<p>Le produit scalar es essential porque il determina le similarité e le angle inter duo vectores, que es importante in diversas applicationes mathemáticas.</p> Signup and view all the answers

<p>L'acceleration es le rate de changement in velocita.</p> Signup and view all the answers

<p>Se calcula como le variation de velocita dividite per le tempore de iste variation.</p> Signup and view all the answers

<p>Un acceleration de zero indica que le velocita non cambia.</p> Signup and view all the answers

<p>Le obiecto sta accelerando e velocita aumenta.</p> Signup and view all the answers

<p>Isto significa que le objeto sta decelerando, o slowing down.</p> Signup and view all the answers

<p>L'acceleration instantanee es le derivative de velocita respectivemente al tempore.</p> Signup and view all the answers

<p>Un quantitate vectorial es un quantitate que ha tanto amplitude como direction.</p> Signup and view all the answers

<p>Le velocita del objeto remane constant, sia in amplitude sia in direction.</p> Signup and view all the answers