Name: newton's laws and everyday motion
Uploaded: 2025-05-22T09:06:01.000Z
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Channel: JoVE

K12 Standards

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South Carolina College and Career Ready Science Standards

High School

Physics

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Motion and Stability: Forces and Interactions

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Newton's Law of Motion

Die Bewegung oder Stille eines Objekts kann mit den Newtonschen Bewegungsgesetzen erklärt werden.
Das erste Gesetz besagt, dass ein ruhendes Objekt in Ruhe bleibt und ein sich bewegendes Objekt mit konstanter Geschwindigkeit und Richtung in Bewegung bleibt, es sei denn, es wird von einer unausgeglichenen Kraft beeinflusst.
Ein Fußball bleibt in Ruhe, bis er von einem Spieler getreten wird, und bleibt in Bewegung, bis eine äußere Kraft ausgeübt wird, um ihn wieder zur Ruhe zu bringen.
Das zweite Gesetz der Bewegung besagt, dass, wenn eine unausgeglichene Kraft auf einen Körper einwirkt, dieser eine Beschleunigung erfährt, die eine Größe hat, die direkt proportional zur Kraft ist und die gleiche Richtung wie die Kraft hat.
Stellen Sie sich einen Mann mit einem Wagen vor. Wenn er Kraft auf den Wagen ausübt, bewegt sich der Wagen in Richtung der aufgewendeten Kraft.
Das dritte Gesetz besagt, dass es für jede Handlung eine gleiche und entgegengesetzte Reaktion gibt.
Wenn ein fahrendes Auto auf einen stehenden Lkw trifft, übt es eine gleiche und entgegengesetzte Kraft auf das Auto aus.

<ol>
	<li>Hibbeler, R.C. (2016). Technische Mechanik \u2012 Statik und Dynamik. Hoboken, New Jersey: Pearson Prentice Hall. S. 4 \u2012 5.</li>
	<li>Bier, F.P.; Johnston, E.R.; Mazurek, D.F.; Cromwell, P.J. und Self, B.P. (2019). Vektormechanik für Ingenieure \u2012 Statik und Dynamik. New York: McGraw-Hill. Seite – 3.</li>
	<li>Meriam, J.L.; Kraige, LG und Bolton, J.N. (2020). Technische Mechanik \u2012 Statik. Hoboken, New Jersey: John Wiley. Seite – 2.</li>
</ol>

das newtonsche bewegungsgesetz

Wenn wir Objekte um uns herum beobachten, stellt sich oft die Frage, warum sie sich bewegen oder stillstehen. Die Antwort auf diese Frage kann mit Newtons Gesetzen der Bewegung erklärt werden. Diese Gesetze beschreiben die grundlegenden Prinzipien der Bewegung und die Auswirkungen von Kräften auf Objekte. Das erste Gesetz der Bewegung, auch bekannt als das Gesetz der Trägheit, besagt, dass ein ruhendes Objekt ruhend bleibt und ein bewegtes Objekt sich mit konstanter Geschwindigkeit und Richtung weiterbewegt, wenn es nicht durch eine äußere Kraft beeinflusst wird. Zum Beispiel wenn eine rutschende Kiste von alleine langsamer wird, ist die resultierende äußere Kraft die Reibungskraft, die der Bewegung der Kiste entgegenwirkt und sie verlangsamt. Newtons erstes Gesetz betrachtet Körper im Ruhezustand oder in gleichförmiger Bewegung. Wenn jedoch die Geschwindigkeit des Objekts sich ändert, wird die beschleunigte Bewegung durch das zweite Gesetz von Newton behandelt. Das zweite Gesetz beschreibt, wie ein Objekt auf eine unausgeglichene Kraft reagiert, die auf es wirkt. Das Gesetz besagt, dass die Beschleunigung eines Objekts direkt proportional zur auf es ausgeübten Kraft und umgekehrt proportional zu seiner Masse ist. Wenn zum Beispiel eine Person einen Ball schlägt, bewegt er sich mit einer Beschleunigung, die direkt proportional zur auf ihn ausgeübten Kraft ist. Das dritte Gesetz der Bewegung, auch bekannt als das Prinzip von Aktion und Reaktion, besagt, dass auf jede Aktion eine gleich große und entgegengesetzte Reaktion folgt. Zum Beispiel, wenn eine Person auf Rollschuhen steht und einen Ball nach vorne wirft, ist es wahrscheinlich, dass sich die Person mit einer bestimmten Geschwindigkeit nach hinten bewegt. Newtons Gesetze der Bewegung haben viele Anwendungen in der realen makroskopischen Welt. Zum Beispiel können sie verwendet werden, um Strukturen und Maschinen zu entwerfen, die äußeren Kräften standhalten können. Die Flugbahn von Himmelskörpern oder Raketen kann ebenfalls mithilfe der Newtonschen Gesetze der Bewegung berechnet werden. Zusammenfassend liefern Newtons Gesetze der Bewegung eine Grundlage für das Verständnis der Beziehung zwischen Kräften und Bewegung. Diese Gesetze sind grundlegend für viele wissenschaftliche Bereiche und haben praktische Anwendungen, die sich auf unser tägliches Leben auswirken. Ob wir nun ein Fußballspiel beobachten oder eine Raumsonde starten, wir verlassen uns auf diese Gesetze, um die Bewegung von Objekten und deren Auswirkungen durch Kräfte zu erklären.

Das Newtonsche Bewegungsgesetz

Wenn wir Objekte um uns herum betrachten, stellt sich die Frage, warum sie sich bewegen oder still stehen. Die Antwort auf diese Frage lässt sich anhand von ...

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newton's laws and everyday motion

Newton's laws explain everyday motion and the forces that change it. These three laws describe why objects move, stay still, or speed up. They also show how force and mass affect motion.

Newton's first law is the law of inertia. It says an object at rest stays at rest, and an object in motion keeps moving at a constant speed and direction unless an external force acts on it. A sliding box that slows down on its own is a good example. In that case, friction is the net external force that works against the box and reduces its motion.

Newton's second law applies when velocity changes. It describes how an object responds to an unbalanced force. The law states that acceleration is directly proportional to the applied force and inversely proportional to mass. If a person hits a ball, the ball accelerates more when the force is larger.

Newton's third law is the law of action and reaction. It states that for every action, there is an equal and opposite reaction. A person on roller skates who throws a ball forward will move backward. Newton's laws are useful in the real macroscopic world. They help scientists design structures and machines that can withstand external forces, and they can also be used to calculate the motion of celestial objects and rockets.

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Newton's Laws and Everyday Motion

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