1.
Which one of the following includes three vector quantities?
A.
velocity
weight
field strength
B.
weight
mass
field strength
C.
velocity
energy
weight
D.
mass
energy
field strength
(1)
2.
Two forces of magnitudes 7 N and 5 N act at a point. Which one of the following is not a
possible value for the magnitude of the resultant force?
A.
1N
B.
3N
C.
5N
D.
7N
(1)
3.
Which of the following contains three scalar quantities?
A.
mass
charge
speed
B.
density
weight
mass
C.
speed
weight
charge
D.
charge
weight
density
(1)
1
4.
The diagram below shows two vectors, x and y.
y
x
Which of the vectors below best represents the vector c that would satisfy the relation
c = x + y?
A.
B.
C.
D.
(1)
5.
Which one of the following is a vector quantity?
A.
Electric power
B.
Electrical resistance
C.
Electric field strength
D.
Electric potential difference
(1)
2
6.
Two objects X and Y are moving away from the point P. The diagram below shows the velocity
vectors of the two objects.
Velocity vector for object Y
P
Velocity vector for object X
Which of the following velocity vectors best represents the velocity of object X relative to
object Y?
A.
B.
C.
D.
(1)
7.
The diagram below shows a boat that is about to cross a river in a direction perpendicular to the
bank at a speed of 0.8 m s–1. The current flows at 0.6 m s–1 in the direction shown.
Bank
0.6 ms –1
0.8 ms –1
Boat
Bank
3
The magnitude of the displacement of the boat 5 seconds after leaving the bank is
A.
3 m.
B.
4 m.
C.
5 m.
D.
7 m.
(1)
8.
The diagram below shows two vectors X and Y.
X
Y
Which of the following best represents the vector Z = X – Y.
A.
Z
C.
B.
Z
D.
Z
Z
(1)
4
9.
A student moves between two points P and Q as shown below.
point P
x–direction
point Q
y–direction
The displacement from P in the x-direction is dX. The displacement from P in the y-direction is
dY. The resultant displacement from P is dR.
Which of the following diagrams shows the three displacements from point P?
A.
B.
P
P
dR
dY
dX
C.
dR
Q
dY
P
dY
dR
Q
Q
dX
D.
dX
P
dY
dX
dR
Q
(1)
5