Physics Questions - Module #12

  1. Which has more surface area?
    1. a whole potato
    2. a potato cut into four quarters
    3. a potato cut into Freedom fries (ex-French fries)
    4. all of these have the same surface area

  2. Doubling the length of the sides of a cube multiplies its volume by
    1. 2 and its surface area by 1
    2. 4 and its surface area by 2
    3. 6 and its surface area by 3
    4. 8 and its surface area by 4
    5. does not change its volume

  3. Halving the diameter of a rope will multiply its strength by
    1. 1
    2. 1/2
    3. 1/4
    4. 1/8
    5. 2
    6. 4
    7. not enough information

  4. Which has greater surface area for a given body weight (i.e., greater surface area per unit weight)
    1. a snake
    2. an elephant
    3. a bowling ball
    4. a piece of string
    5. not enough information

  5. An object has a mass of 60 kg and a density of 30 kg per cubic meter. What is the volume of the object?
    1. 1800 cubic meters
    2. 2 cubic meters
    3. 30 cubic meters
    4. 60 cubic meters
    5. not enough information

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