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Newton's law
Newton's first law
Grade-9
Oct 7, 2020
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Science
Secondary Education
This lesson contains
16 slides
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interactive quizzes
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Newton's first law
Grade-9
Oct 7, 2020
Slide 1 - Slide
INSTRUCTIONS
mute your mics do not on unless instructed
turn on the camera
Join the session with the link and password
Maintain the online session decorum
Slide 2 - Slide
Slide 3 - Slide
Slide 4 - Video
INERTIA
The tendency of an object to resist change in motion is called the inertia.
Slide 5 - Slide
Netwon's first law of motion
It states that if the net force acting on an object is zero, the motion of the object does not change.
An object remains at rest or at constant motion unless an external unbalanced force acts on it
Slide 6 - Slide
https:
Slide 7 - Link
Challenge
How does the unbalanced force changes the motion of an object?
Slide 8 - Slide
Slide 9 - Slide
Slide 10 - Slide
CHALLENGE
Why should we always wear a seat belt?
Slide 11 - Slide
Newton’s first law of motion states than an object’s motion will not change unless
A
the net force acting on it is greater than zero
B
a force continues to be applied to the object.
C
its inertia is stronger than the applied force.
D
the object has no inertia.
Slide 12 - Quiz
It is more difficult to start a 50-kg box sliding across the floor than a 5-kg box because the 50-kg box has greater
A
size
B
volume
C
velocity
D
inertia
Slide 13 - Quiz
An object’s velocity will not change unless it is acted on by a(n)
A
net force
B
strong force
C
balanced force
D
unbalanced force
Slide 14 - Quiz
Friction
Inertia
net force
Tetendency of an object to resist a change in motion
force that opposes the motion of any object
. combination of all the forces acting on an object
Slide 15 - Drag question
What are 2 things you understood and one things you want to know?
Slide 16 - Mind map
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