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Physical Science Principles Flashcards

7 cards from real AFOQT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Physical Science Principles flashcards as text

  1. How much work is done lifting a 5 N weight a vertical height of 2 m?

    Answer: 10 J

    Work equals force times distance, so 5 N × 2 m = 10 J.

  2. Which type of heat transfer occurs through direct contact between particles?

    Answer: Conduction

    Conduction transfers heat through direct particle-to-particle contact.

  3. What is the density of a 200 g object with a volume of 50 cm³?

    Answer: 4 g/cm³

    Density equals mass divided by volume: 200 g ÷ 50 cm³ = 4 g/cm³.

  4. In a chemical equation, what must be equal on both sides?

    Answer: The number of atoms of each element

    The law of conservation of mass requires equal atoms of each element on both sides.

  5. Two resistors of 4 Ω each are connected in series. What is the total resistance?

    Answer: 8 Ω

    Series resistances add directly, so 4 Ω + 4 Ω = 8 Ω.

  6. What property of a wave determines its loudness for sound?

    Answer: Amplitude

    A sound wave's amplitude determines its loudness or intensity.

  7. Which state of matter has a definite volume but no definite shape?

    Answer: Liquid

    Liquids have a fixed volume but take the shape of their container.