This lesson contains 19 slides, with interactive quizzes, text slides and 1 video.
Items in this lesson
Velocity
Grade-9
Science
Sept 27, 2020
Slide 1 - Slide
INSTRUCTIONS
1. Mute your mics, do not on unless instructed
2. Maintain the decorum of online classes
3.Raise your hands/ call your names before talking
4. Write your names in chat section
Slide 2 - Slide
Slide 3 - Video
From the video
1. What is speed?
2. What is velocity?
Slide 4 - Slide
Is this speed or velocity? Why?
Is this speed or velocity? Why?
Slide 5 - Slide
VELOCITY
Velocity is the speed and direction of an object's motion
Velocity is shown by arrow
length of the arrow represents the speed and arrow points in the direction
Slide 6 - Slide
Analyze the figure
Slide 7 - Slide
Analyse this image.
Slide 8 - Slide
Analyse the arrows
Slide 9 - Slide
Interpret- What are the possibilities in which this cyclist can change his velocity?
Slide 10 - Slide
Constant and changing velocity
Velocity is constant, or does not change when an object's speed and direction of movement do not change.
velocity is changing when any of the quantity either speed or direction changes
When speed changes
when direction changes
when both changes
Slide 11 - Slide
What is the velocity of this car?
A
0
B
2
C
1
D
3
Slide 12 - Quiz
In which image is the speed and direction both changing
A
A
B
B
C
C
D
none of these
Slide 13 - Quiz
Which arrows represent constant velocity?
A
walking
B
skateboarding
C
both
D
none of these
Slide 14 - Quiz
Challenge- Do you think the formula used to calculate speed and velocity the same
Slide 15 - Open question
Slide 16 - Slide
Bob rides his bicycle on a bike path that is 75 kilometres long to get to his house that is due east of the bike path. If it takes Bob 15 hours then what is the velocity?
A
5 km /hr
B
5 km /hr East
C
1500 km/hr
D
1500 km /hr East
Slide 17 - Quiz
Access the word file
Analyze the graph carefully and answer the follow up questions