Welcome to your Grade 10 Physics chapter 1
After carefully reading the following 30 questions, choose the correct answer.
1.
Which of the following is defined as a physical quantity that has both magnitude and direction?
2.
Which of these physical quantities is an example of a scalar?
3.
What characterizes a scalar quantity?
4.
Which tool is used along with a ruler to represent vectors graphically?
5.
Which of the following quantities is a vector?
6.
In the context of vector representation, what does the arrow head indicate?
7.
Which method is described as being more accurate for finding a resultant vector?
8.
What is the process of identifying the horizontal and vertical parts of a vector called?
9.
If a vector is directed purely along the y-axis, what is its x-component?
10.
According to the polygon law of vector addition, where is the resultant represented?
11.
Which trigonometric function is used to find the x-component (Ax) of a vector A at an angle θ to the horizontal?
12.
If two vectors are equal, they must have:
13.
What is the magnitude of the x-component of a force F = 40 N at an angle of 30°?
14.
Which of these is a vector quantity mentioned as having magnitude and direction?
15.
What does the length of the arrow representing a vector indicate in a graphical representation?
16.
Two vectors are said to be anti-parallel if they:
17.
Which mathematical operation is used to find the direction θ of a resultant vector from its components?
18.
In vector addition, what is the single vector that has the same effect as all the individual vectors combined?
19.
If a car travels 100 km West and then 100 km West, what is the magnitude of the total displacement?
20.
Which of the following is NOT a vector?
21.
In the graphical "head-to-tail" method, where is the tail of the second vector placed?
22.
When resolving a vector, the magnitude of a component is always:
23.
The Pythagorean theorem is used to find the magnitude of the resultant when two vectors are:
24.
Which quantity can be specified by only a number and a unit?
25.
If Vector A = 21 cm North and Vector C = 26 cm South, what is the resultant of (A + C)?
26.
What is the y-component (Ay) for a vector A = 2.0 m East?
27.
Which law is used for adding two vectors by forming a four-sided figure?
28.
If a vector has components Vx = 9.80 and Vy = -6.40, what is its magnitude?
29.
Which of these is a vector addition property?
30.
To find the magnitude of a resultant V from its components Vx and Vy, which formula is used?
