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DP IB Physics: SL

Topic Questions

Home / IB / Physics: SL / DP / Topic Questions / 1. Measurement & Uncertainties / 1.3 Vectors & Scalars / Multiple Choice


1.3 Vectors & Scalars

Question 1

Marks: 1

The velocity vectors vX and vY of two cars, X and Y, are shown. 

1-3-q1-sl-easy-mcq-phy

Which arrow represents the direction of the vector vX – vY?

1-3-q1-opt-sl-easy-mcq-phy

    Choose your answer
      

    Question 2

    Marks: 1

    Which of the following statements about scalar quantities is incorrect? 

    • Scalar quantities contain a magnitude only

    • Mass is a scalar quantity

    • Scalar quantities contain both magnitude and direction 

    • Speed is a scalar quantity

    Choose your answer
      

    Question 3

    Marks: 1

    Which of the following quantities is not a vector? 

    • Acceleration

    • Weight

    • Mass

    • Drag

    Choose your answer
      

    Question 4

    Marks: 1

    A vector of magnitude 10 units is shown with respect to a set x and y axes. 

    1-3-q4-sl-easy-mcq-phy

    What is the correct expression for the components of the vector along the x and y axis? 

      Component along the x axis Component along the y axis
    A. 10 cos 76 10 sin 76
    B. 10 cos 76 10 sin 14
    C. 10 sin 76 10 cos 76
    D. 10 sin 76 10 cos 14

      Choose your answer
        

      Question 5

      Marks: 1

      A vector P has components Px = 3.0 cm and Py = 4.0 cm. 

      What is the length of the vector P?  

      • 1.0 cm

      • 5.0 cm

      • 7.0 cm

      • 25.0 cm

      Choose your answer
        

      Question 6

      Marks: 1

      Three forces act on a body in equilibrium. Which diagram is a possible vector diagram for this situation? 

      1-3-q6-sl-easy-mcq-phy

        Choose your answer
          

        Question 7

        Marks: 1

        Three forces act on a body as shown: 

        1-3-q7-sl-easy-mcq-phy

        Which of the following statements is correct? 

        • The body is in equilibrium

        • The force required to bring the body into equilibrium is directed in a north west direction

        • The force required to bring the body into equilibrium is directed in a south east direction

        • There is no resultant force on the body

        Choose your answer
          

        Question 8

        Marks: 1

        Which of the following units is used to measure vectors only? 

        • m

        • m s–1

        • s

        • N

        Choose your answer
          

        Question 9

        Marks: 1

        Which of the following units is used to measure scalar quantities only? 

        • s

        • m

        • m s–1

        • m s–2

        Choose your answer
          

        Question 10

        Marks: 1

        Which of the following statements about vector quantities is incorrect? 

        • Vectors quantities include a magnitude

        • Vector quantities contain a direction

        • Vector quantities are only positive

        • Vector quantities are positive or negative

        Choose your answer