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Science

8th

grade

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Physics

104
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17 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Who is the physicist that proposed the three laws of motion?

    Gregor Mendel

    Isaac Newton

    Alfred Wegener

    Harry Hess

  • 2. Multiple Choice
    1 minute
    1 pt

    All the objects accelerate downward at the same rate of gravity. What is the net force acting on the objects?

       8.5 m s2\ \ 8.5\ \frac{m}{\ s^2} 

      9.8 ms2\ 9.8\ \frac{m}{s^2}   

      2.5 ms2\ 2.5\ \frac{m}{s^2}  

      3.0 ms2\ 3.0\ \frac{m}{s^2}  

  • 3. Multiple Choice
    30 seconds
    1 pt

    A force supplied in a string is called?

    Tension Force

    Friction Force

    Normal Force

    Gravitational Force

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