Exam 3 Target 6 Retake Preap

5 Questions | Total Attempts: 41

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Exam 3 Target 6 Retake Preap

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Questions and Answers
  • 1. 
    Which statement about the acceleration of an object is correct?
    • A. 

      A. The acceleration of an object is inversely proportional to the net external force acting on the object and inversely proportional to the mass of the object.

    • B. 

      B. The acceleration of an object is directly proportional to the net external force acting on the object and inversely proportional to the mass of the object.

    • C. 

      C. The acceleration of an object is directly proportional to the net external force acting on the object and directly proportional to the mass of the object.

    • D. 

      d. The acceleration of an object is inversely proportional to the net external force acting on the object and directly proportional to the mass of the object.

  • 2. 
    A large force acting on a small massed object causes
    • A. 

      A. a small acceleration.

    • B. 

      B. a large acceleration.

    • C. 

      C. no acceleration

    • D. 

      D. equilibrium.

  • 3. 
    The change in the horizontal velocity of a 12-kg scooter is +0.5 m/s. What is the net horizontal force acting on it?
    • A. 

      a. +24 N

    • B. 

      b. +6.0 N

    • C. 

      c. some number greater than 0 N

    • D. 

      d. 0 N

  • 4. 
    A student holds a 6-N block of wood from a spring balance in an express elevator that maintains constant velocity traveling between floors. A spring scale reading of 5.9 N indicates that the elevator is
    • A. 

      a. starting an ascending trip.

    • B. 

      b. ending an ascending trip.

    • C. 

      c. ending a descending trip.

    • D. 

      d. traveling between floors.

  • 5. 
    In which situation is the net force acting on a truck zero?
    • A. 

      a. The car increases speed and changes direction.

    • B. 

      b. The car increases speed but does not change direction.

    • C. 

      c. The car maintains its speed but changes direction.

    • D. 

      d. The car maintains both its speed and direction.

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