Shadowing-Übung: Types of Levers - Englisch Sprechen Lernen mit Video

Lektion wird erstellt...
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A lever is a simple machine that includes a bar that is free to move about a fixed point called a fulcrum.
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Levers make work easier by reducing the effort required to move the load, but increasing the distance moved by the effort.
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This can be achieved by moving the fulcrum closer to the load or applying the effort further from the fulcrum.
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There are three types of levers.
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First class levers, second class levers and third class levers.
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Each type of lever makes work easier in different ways.
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In a first class lever, the fulcrum is between the load and the place on the bar where the effort is applied.
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This changes the direction of the effort.
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Work is the easiest when the effort is applied to the bar as far from the fulcrum as possible.
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The distance the effort moves is increased, but the force applied to the load is multiplied.
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Moving the fulcrum closer to the load increases the distance the effort moves and increases the force applied to the load.
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You use first class levers when you use pliers to pull a nail.
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The piece of wood is the fulcrum.
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The fulcrum is close to the load which increases the distance the effort moves and multiplies the force applied to the nail.
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The back of a claw hammer, nail clippers and scissors are objects we use that function as first class levers.
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In second class levers, the load is between the effort and the fulcrum.
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The effort moves over a larger distance to raise the load a smaller distance, but with greater force.
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The closer the load is to the fulcrum, the larger the distance the effort moves and the greater the force applied to the load.
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Notice that in second-class levers, the effort applied is in the same direction as the force applied to the load.
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Wheelbarrows, nutcrackers and bottle openers are objects we use that function as second-class levers.
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In both first-class and second-class levers,
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work is made easier by decreasing the effort required but applying the effort over a greater distance.
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In a third class lever, the effort is between the fulcrum and the load.
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Greater effort is required to move the load, but the speed at which the load moves is multiplied.
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As in second class levers, the direction of the effort and the force applied to the load is in the same direction.
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Fishing rods, baseball bats, and brooms are objects that function as third-class levers.

Wortschatz und Sprechhinweise zu dieser Lektion

Dieses Video enthält 26 Sätze und 420 Wörter zum Nachsprechen. Der gesprochene Teil dauert 2:59. Der Sprecher spricht gleichmäßig mit etwa 141 Wörtern pro Minute – ein angenehmes Tempo fürs Shadowing. 84 % der Wörter gehören zu den 3.000 häufigsten im Englischen; den Rest solltest du dir vor dem Üben ansehen.

Wichtiger Wortschatz in diesem Video

14 weniger häufige Wörter aus dem Video, mit Aussprache und Bedeutung:

  • lever /ˈliː.və/ (Substantiv) — Hebel. A rigid piece which is capable of turning about one point, or axis (fulcrum), and in which are two or more other points where forces are applied; — used for…
  • nail /neɪl/ (Substantiv) — Nagel. The horny plate or appendage at the ends of the digits of various animals, including most reptiles, birds, and mammals (both nonhuman and human).
  • decrease /dɪˈkɹiːs/ (Verb) — abnehmen. Of a quantity, to become smaller.
  • hammer /ˈhæmɚ/ (Substantiv) — Hammer, Hàmmer. A tool with a heavy head and a handle used for pounding.
  • opener /ˈoʊ.pən.ɚ/ (Substantiv) — Öffner. A person who opens something.
  • claw /klɔ/ (Substantiv) — Klaue, Kralle. A curved, pointed, horny projection on each digit of the foot of a mammal, reptile, or bird.
  • scissors /ˈsɪzəz/ (Substantiv) — Schere. A tool used for cutting thin material, consisting of two crossing blades attached at a pivot point in such a way that the blades slide across each other when…
  • fulcrum /ˈfʊlkɹəm/ (Substantiv) — Angelpunkt, Drehpunkt. The support about which a lever pivots.
  • multiply /ˈmʌltɪplaɪ/ (Verb) — vermehren. To increase the amount, degree or number of (something).
  • broom /bɹum/ (Substantiv) — Besen, Baasa. A domestic utensil with fibers bound together at the end of a long handle, used for sweeping.
  • clipper /ˈklɪp.ɚ/ (Substantiv) — Klipper. Anything or anyone that clips.
  • nutcracker /ˈnʌtˌkɹækɚ/ (Substantiv) — Nussknacker. An implement for cracking nuts.
  • pliers /ˈplaɪ.ə(ɹ)z/ (Substantiv) — Zange, Kneifzange. A pincer-like gripping tool that multiplies the strength of the user's hand, often used for bending things.
  • wheelbarrow /ˈwilbæɹoʊ/ (Substantiv) — Schubkarre, Scheibtruhe. A small, one-wheeled (or rarely, two-wheeled) cart with handles at one end for transporting small loads.

So übst du mit diesem Video

  1. Höre dir das ganze Video einmal an, ohne zu sprechen, und notiere die Wörter, die du nicht kennst.
  2. Sprich Satz für Satz in normaler Geschwindigkeit nach und wiederhole jeden, bis dein Rhythmus zum Sprecher passt.
  3. Nimm dich auf und vergleiche mit dem Original; achte dabei auf Wörter wie lever, nail, decrease.

Was ist die Shadowing-Technik?

Shadowing ist eine wissenschaftlich fundierte Sprachlerntechnik, die ursprünglich für die professionelle Dolmetscherausbildung entwickelt und durch den Polyglotten Dr. Alexander Arguelles populär gemacht wurde. Die Methode ist einfach aber wirkungsvoll: Du hörst englisches Audio von Muttersprachlern und wiederholst es sofort laut — wie ein Schatten, der dem Sprecher mit nur 1–2 Sekunden Verzögerung folgt. Anders als passives Hören oder Grammatikübungen zwingt Shadowing dein Gehirn und deine Mundmuskulatur, gleichzeitig echte Sprachmuster zu verarbeiten und zu reproduzieren. Studien zeigen, dass es Aussprachegenauigkeit, Intonation, Rhythmus, verbundene Sprache, Hörverständnis und Sprechflüssigkeit signifikant verbessert — was es zu einer der effektivsten Methoden für die IELTS Speaking-Vorbereitung und reale englische Kommunikation macht.

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