2.2.1 Reading Quiz - Gravity And Newton's First Law

8 Questions | Total Attempts: 46

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Reading Quizzes & Trivia

Reading quiz.


Questions and Answers
  • 1. 
    What is Newton's first law of motion?
    • A. 

      For every action there is an equal and opposite reaction

    • B. 

      F=ma

    • C. 

      An object will continue at constant velocity unless acted upon by an external force

    • D. 

      What goes up must come down.

  • 2. 
    When a car is travelling along the road at a constant velocity, this is because..
    • A. 

      The forward thrust of the car is greater than the friction

    • B. 

      The forward thrust of the car is equal to the friction

    • C. 

      There is no friction

  • 3. 
    When a skydiver is falling at terminal velocity, this is because...
    • A. 

      His weight is greater than the air resistance

    • B. 

      His weight is equal to the air resistance

    • C. 

      His weight is smaller than the air resistance

    • D. 

      His weight becomes zero

  • 4. 
    When a skydiver is falling at terminal velocity, he then opens his parachute.  Which of the following is an explanation of what happens..
    • A. 

      His weight is greater than the air resistance

    • B. 

      His weight is equal to the air resistance

    • C. 

      His weight is smaller than the air resistance

    • D. 

      His weight becomes zero

  • 5. 
    What happens when he opens his parachute?
    • A. 

      He moves upwards

    • B. 

      He stops

    • C. 

      He slows down

    • D. 

      He bounces up

  • 6. 
    What happens to the weight of the parachutist when he opens the parachute?
    • A. 

      It gets somewhat less

    • B. 

      It stays the same

    • C. 

      It becomes zero

    • D. 

      It becomes negative

  • 7. 
    What is the term which describes when all the forces acting on an object add up to zero
    • A. 

      Themodynamic equilibrium

    • B. 

      Translational equilibrium

  • 8. 
    Which best gives a description of what happens when a passenger is injured in a car crash when the car hits a wall
    • A. 

      The dashboard moves back and strikes the passenger

    • B. 

      When the car stops, the passenger keeps moving until they hit the dashboard

    • C. 

      The wall hits the passenger

    • D. 

      The passenger accelerates into the dash board.

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