Welcome to your Grade 11 Physics chapter 2
After carefully reading the following 30 questions, choose the correct answer.
1.
A quantity described by both a magnitude and direction in space is called:
2.
Which vector law involves joining vectors head to tail without regard to the order they are taken?
3.
What is a vector with zero magnitude called?
4.
When using the triangle law, how are the two vectors connected?
5.
Which method of vector addition makes use of translation of vectors?
6.
Two vectors are said to be equal if they have:
7.
Which term describes vectors that lie in the same plane?
8.
In the parallelogram law, how are the two vectors connected?
9.
What physical quantity is described by a single number?
10.
If the dot product of vectors A and B is zero, what is the angle between them?
11.
Which of the following is NOT a category of vectors mentioned in the text?
12.
What is the x-component of a 72 m displacement vector at 32° (relative to the y-axis, as per Table 2.2)?
13.
If a girl pushes a box with 50 N at 37° below the horizontal, in which direction does the box move?
14.
What is the result of adding two equal and antiparallel vectors?
15.
Which law is used to find the resultant of more than two vectors?
16.
The product of vectors can be:
17.
In a vector diagram, where is the resultant vector drawn in the polygon law?
18.
If the dot product of P and Q equals PQ, what is the angle between them?
19.
Vectors that are connected tail to tail form a:
20.
Which of these is a scalar quantity?
21.
When calculating the dot product, if the angle is 180°, the result is:
22.
What does "translation of vectors" mean in the graphical method?
23.
A vector with a magnitude of one is a:
24.
The magnitude of a resultant vector R with components Rx and Ry is:
25.
Which method involves calculating x and y components?
26.
In Table 2.2, what is the y-component of vector S2?
27.
What describes vectors acting along the same line?
28.
If the components Rx = -7.4 and Ry = 8.9, the direction angle is found using:
29.
A 50 N force at 37° below horizontal has a vertical component of:
30.
What defines antiparallel vectors?
