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Science

Motion & Newton's Laws

Grade 8 · Middle School

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  1. Question 1 of 20Easy

    The quantity that describes the distance an object travels per unit time is ...

  2. Question 2 of 20Easy

    Uniform linear motion is the motion of an object with ...

  3. Question 3 of 20Easy

    Newton's First Law is also known as the law of ...

  4. Question 4 of 20Easy

    The SI unit of force is the ...

  5. Question 5 of 20Easy

    According to Newton's Second Law, the relationship between force (F), mass (m), and acceleration (a) is ...

  6. Question 6 of 20Easy

    An example of a useful friction force is ...

  7. Question 7 of 20Medium

    A car travels 120 m in 8 s. The car's average speed is ...

  8. Question 8 of 20Medium

    A bus moves at 10 m/s, then accelerates at 2 m/s^2 for 5 s. The bus's final velocity is ...

  9. Question 9 of 20Medium

    Passengers lurch forward when a bus suddenly brakes. This event follows ...

  10. Question 10 of 20Medium

    A rocket can launch upward because it expels gas downward. This event follows ...

  11. Question 11 of 20Medium

    An object of mass 5 kg is pushed with a force of 20 N. The object's acceleration is ...

  12. Question 12 of 20Medium

    The friction force acting on a moving object is always ...

  13. Question 13 of 20Medium

    A bicycle starts at 4 m/s and accelerates to 10 m/s in 3 s. The bicycle's acceleration is ...

  14. Question 14 of 20Medium

    The weight of a 6 kg object where g = 10 m/s^2 is ...

  15. Question 15 of 20Hard

    A car starts from rest and accelerates at 3 m/s^2 for 4 s. The distance the car travels is ...

  16. Question 16 of 20Hard

    Two forces of 30 N and 10 N act on an object in opposite directions. The resultant force is ...

  17. Question 17 of 20Hard

    A 4 kg object is pushed with a force of 25 N but experiences 5 N of friction. The object's acceleration is ...

  18. Question 18 of 20Hard

    A plate on a tablecloth stays still when the cloth is yanked away quickly. This event follows ...

  19. Question 19 of 20Hard

    A speed of 72 km/h is equal to ...

  20. Question 20 of 20Hard

    A position-versus-time graph of an object is a straight line with constant slope. The graph shows that the object ...

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Motion & Newton's Laws — Science Grade 8 · Middle School — Question Bank — Nuvora