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Gravitation Tes...

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  • Question 1
    1 / -0

    Use the following information to answer the next question.

    Robert goes on a space mission to moon. His weight on Earth is 78 N, while his weight on moon is just 13N.

    Robert’s weight decreases on moon because

  • Question 2
    1 / -0

    Use the following information to answer the next question.

    The specific gravities of a few liquids are shown in the given table.

    Liquid

    Specific Gravity

    Ethyl alcohol

    0.772 − 0.789

    Ammonia

    0.662

    Benzene

    0.899 − 0.885

    Water

    1.02

    If a hydrometer is used to check the specific gravities of the given liquids, then it would sink the most in

  • Question 3
    1 / -0

    Use the following information to answer the next question.

    Four containers each of volume 2 L are filled with four different materials. The mass of the containers is then determined using a beam balance. Their respective masses are listed in the given table.

    Container

    Mass (in kg)

    Containing iron

    14.000

    Containing honey

    2.800

    Containing water

    2.000

    Containing oxygen

    0.003

    Which material has the minimum density?

  • Question 4
    1 / -0

    Use the following information to answer the next question.

    The density of water from different sources is shown in the given table. The average density of the human body is 1,010 kg/m3.

    Source

    Rain

    Ocean

    Well

    Dead Sea

    Density (kg/m3)

    1,000

    1,027

    1,008

    1,315

    Human body can float in

  • Question 5
    1 / -0

    Which of the following statements is false regarding buoyant and gravitational forces?

  • Question 6
    1 / -0

    Use the following information to answer the next question.

    Andrew has three coins, a nickel and two dime. Andrew knows that the mass of the two dimes is equal to that of the nickel.

    Andrew can verify the masses of the coins by using a

  • Question 7
    1 / -0

    An iron ball thrown up in air comes back to ground because of the

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