Question 1
The velocity vectors vX and vY of two cars, X and Y, are shown.
Which arrow represents the direction of the vector vX – vY?
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DP IB Physics: SL
Topic Questions
1.3 Vectors & Scalars
Question 2
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
Question 3
Which of the following quantities is not a vector?
Acceleration
Weight
Mass
Drag
Question 4
A vector of magnitude 10 units is shown with respect to a set x and y axes.
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 |
Question 5
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
Question 6
Three forces act on a body in equilibrium. Which diagram is a possible vector diagram for this situation?
Question 7
Three forces act on a body as shown:
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
Question 8
Which of the following units is used to measure vectors only?
m
m s–1
s
N
Question 9
Which of the following units is used to measure scalar quantities only?
s
m
m s–1
m s–2
Question 10
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
