Science

3rd

grade

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7.2 tenaga keupayaan dan tenaga kinetik (sains tingkatan 3)

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  • 1. Multiple Choice
    1 minute
    1 pt

    Apakah daya yang bertindak ke atas sebuah kotak apabila diangkat?

    what is the force that reacts on a box when it was lifted?

    daya magnet / magnetic force

    daya geseran / frictional force

    daya tarikan graviti / gravitational force

    tiada daya terlibat / no force involved

  • 2. Multiple Choice
    1 minute
    1 pt

    apakah tenaga bagi spring yang dimampatkan?

    what is the energy of a compressed spring?

    tenaga kinetik / kinetic energy

    tenaga keupayaan kenyal / elastic potential energy

    tenaga mekanikal / mechanical energy

    tenaga keupayaan graviti / gravitational potential energy

  • 3. Multiple Choice
    1 minute
    1 pt

    mengapakah sebuah lori yang sedang bergerak mempunyai tenaga kinetik yang tinggi?


    why does a moving lorry have high kinetic energy?

    lori boleh mengatasi banyak rintangan udara / the lorry can overcome more air resistance

    jisim lori itu besar / the mass of a lorry is big

    lori itu lebih berkuasa / the lory is powerful

    lori mempunyai tayar yang besar / the lorry has big tyres

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