Newton's First Law Review

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| By Barbvanatta
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Barbvanatta
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Quizzes Created: 1 | Total Attempts: 1,306
Questions: 8 | Attempts: 1,306

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Newtons First Law Quizzes & Trivia

A review of the basic concepts associated with Newton's First law such as Inertia,net Force and equilibrium


Questions and Answers
  • 1. 

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

    • A.

      Movement

    • B.

      Complication

    • C.

      Inertia

    • D.

      Inability

    • E.

      Equal and oopposite forces

    Correct Answer
    C. Inertia
    Explanation
    Newton's First Law states that an object at rest will remain at rest, and an object in motion will continue in motion with a constant velocity, unless acted upon by an external force. This concept is known as inertia, which refers to the tendency of an object to resist any change in its state of motion. Therefore, the correct answer is inertia.

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  • 2. 

    An object in motion will _____________________ if the Net force acting on it is____

    • A.

      Stay in motion, 0 N

    • B.

      Accelerate, 0 N

    • C.

      Stay in motion,greater than 0 N

    Correct Answer
    A. Stay in motion, 0 N
    Explanation
    Newton's first law is defined as an object in motion will stay in motion if the net fore acting on it is 0N

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  • 3. 

    If an object is in equilibrium its acceleration is _________ and its Net force is _____

    • A.

      Non-zero, non-zero

    • B.

      Zero,non-zero

    • C.

      Zero, zero

    • D.

      Non-zero,zero

    Correct Answer
    C. Zero, zero
    Explanation
    If the net force = 0 N, then the objects acceleration = 0 N. No net force = no acceleration

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  • 4. 

    Johnny pushes with a force of 50 N to the left, Jill pushes on the car with  a force of 75 N to the right. What is the net force acting on the object?

    • A.

      125 N

    • B.

      100 N

    • C.

      50 N

    • D.

      25 N

    • E.

      0 N

    Correct Answer
    D. 25 N
    Explanation
    When fores are going in opposite directions, you subtract ( or add a negative)- FNET= 75N - 50 N

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  • 5. 

    Johnny pushes with a force of 50 N to the left, Jill pushes on the car with  a force of 75 N to the right. Is the object in equilibrium?

    • A.

      Yes

    • B.

      No

    • C.

      Maybe

    Correct Answer
    B. No
    Explanation
    If the net force is not zero, The object is not in equilibrium

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  • 6. 

    An object is moving at a constant velocity. If the Car requires 1000 N of force to propel it forward, What is the magnitue of the frictional force acting on the car?

    • A.

      0 N

    • B.

      500 N

    • C.

      1000 N

    • D.

      1500N

    • E.

      1000 N

    Correct Answer
    C. 1000 N
    Explanation
    Since it is moving at a constant spee, the Net force on it )n, Which means it must be balanced by a force that is equal and opposite to the applied force

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  • 7. 

    An object is moving at a constant velocity. If the Car requires 1000 N of force to propel it forward, Is the car in equilibrium?

    • A.

      Yes

    • B.

      No

    • C.

      Maybe

    Correct Answer
    A. Yes
    Explanation
    yes, Equilibrium describes constant motion. An object moving at a constant or uniform velocity is in equilibrium

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  • 8. 

    What is the approximate weight of a 10 kg dog?

    • A.

      1 N

    • B.

      10 N

    • C.

      100N

    • D.

      1000 N

    Correct Answer
    C. 100N
    Explanation
    w=mg, w= 10kg *9.8m/s^2= 980N= 1000N

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 21, 2009
    Quiz Created by
    Barbvanatta
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