Welcome to your Grade 11 Mathematics chapter 5
After carefully reading the following 30 questions, choose the correct answer.
1.
A scalar quantity is a physical quantity that has:
2.
Which of the following is an example of a vector quantity?
3.
A vector is geometrically represented by a:
4.
The length of the arrow representing a vector indicates its:
5.
Two vectors are said to be equal if they have:
6.
A unit vector is a vector whose magnitude is:
7.
The vector whose initial and terminal points are the same is called the:
8.
The position vector of a point P(x,y) in the plane is given by:
9.
If a=(a1,a2) and b=(b1,b2), then a+b is:
10.
The magnitude of a vector a=(a1,a2) is denoted by $
11.
For any scalar k, the vector ka has a magnitude:
12.
The dot product (scalar product) of a and b is defined as $\vec{a} \cdot \vec{b} =
13.
Two non-zero vectors a and b are perpendicular (orthogonal) if and only if:
14.
If a=(a1,a2,a3) and b=(b1,b2,b3), then a⋅b in component form is:
15.
The vector product (cross product) a×b results in a:
16.
The direction of a×b is perpendicular to:
17.
The magnitude of the cross product $
18.
Two non-zero vectors a and b are parallel if and only if:
19.
The area of a parallelogram with adjacent sides a and b is:
20.
The area of a triangle with sides a and b is:
21.
Which property is true for the cross product?
22.
In 3D, the unit vectors along the x,y, and z axes are:
23.
The scalar triple product a⋅(b×c) represents:
24.
If a=(1,2) and k=3, then ka is:
25.
The vector AB where A(x1,y1) and B(x2,y2) is:
28.
A vector with magnitude 0 is the:
29.
The projection of vector a onto b is given by:
30.
If the dot product of two vectors is negative, the angle between them is: