Welcome to your Grade 9 Physics chapter 3
After carefully reading the following 30 questions, choose the correct answer.
1.
What does the slope of a position-versus-time graph represent?
2.
What is the SI unit of acceleration?
3.
A train covers 2400 meters in 80 seconds. What is its constant speed?
4.
What does the area under a velocity-time graph represent in a uniform motion?
5.
If a car accelerates from rest to 20 m/s in 10 seconds, what is its acceleration?
6.
Which of the following is a vector quantity?
7.
A car travels 90 km/h for 15 minutes. How far does it travel?
8.
What is the average velocity of an athlete for a round trip back to the starting position?
9.
On a speed-time graph, what does a horizontal line represent?
10.
What is defined as the measure of how much the velocity of an object changes per unit time?
11.
In a uniform motion, the velocity-time graph is a:
12.
Which term describes the shortest distance between an object's initial and final positions?
13.
An athlete covers 100 m in 55 seconds. What is the average speed?
14.
Negative acceleration is also known as:
15.
What is the slope of a velocity-time graph?
16.
If a car slows down, its acceleration is:
17.
How is 1 km/h related to m/s?
18.
If the slope of a distance-time graph is zero, the body is:
19.
What is average speed defined as?
20.
Which of the following is true for uniform motion?
21.
A man walks 7 km in 2 hours and 2 km in 1 hour in the same direction. What is his average velocity?
22.
In a distance-time graph, a straight line with a non-zero slope indicates:
23.
Which of the following defines instantaneous velocity?
24.
What is the displacement of a car that travels 40 km North and then 40 km South?
25.
Which of these is the formula for average acceleration?
26.
If a car covers 40 km in 1 hour, its average velocity is:
27.
Motion in a straight line is also known as:
28.
What remains constant in uniform motion?
29.
Displacement is a change in:
30.
A scalar quantity that refers to "how much ground an object has covered" is:
