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Arbete och effekt

Tio frågor att räkna på om arbete, effekt, joule och watt.

10 questions · Years 7–9 · Science

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The questions

  1. Den som bär en tung väska rakt fram på plan mark uträttar ett arbete i fysikens mening.

    The picture of question 1
    Tomáš Pilík, CC BY-SA 3.0
    • True
    • False
    Show the answer

    False

  2. Hur stort arbete gör den som lyfter en låda på 50 N två meter upp?

    • 25 J
    • 1 000 J
    • 52 J
    • 100 J
    Show the answer

    100 J

  3. En joule är lika mycket som en ___.

    Write the answer

    Show the answer

    newtonmeter or Nm or N·m or wattsekund or Ws

7 more questions

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