Period 3: Gravity And Circular Motion Challenge 1

5 Questions | Attempts: 130

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Period 3: Gravity And Circular Motion Challenge 1 - Quiz

Questions and Answers
  • 1. 
    Which direction does the centripetal force always act?
    • A. 

      In the direction the object is moving

    • B. 

      Toward the center

    • C. 

      Along the line of inertia

    • D. 

      It depends on the type of force

  • 2. 
    You are whirling a rock on the end of a string over your head. The string suddenly snaps. Which direction would the rock go?
    • A. 

      In the direction of the blue arrow

    • B. 

      In the direction of the green arrow

    • C. 

      In the direction of the black arrow

    • D. 

      Straight to the floor

  • 3. 
    What keeps the earth moving on its curved path around the sun?
    • A. 

      The force of gravity causes a centripetal acceleration

    • B. 

      Inertia

    • C. 

      The centripetal force causes gravity

    • D. 

      A force of tension

  • 4. 
    As laundry goes around in the laundry machine, which direction is it being accelerated?
    • A. 

      Toward the center

    • B. 

      Toward the outside of the drum

    • C. 

      It depends on whether inertia applies in this situation

  • 5. 
    A toy car with a mass of 2 kg races around a track that has a radius of 0.5. Its speed is 3.6 m/s. What is the centripetal force of the car?
    • A. 

      52 N

    • B. 

      14 N

    • C. 

      13 N

    • D. 

      26 N

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