際際滷

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Name - Sarabjot Singh
Class - 9th
B
Rollno. - 7
School - Innocent Hearts School
Inertia
An object at rest tends to stay at rest and an
object in motion tends to stay in motion with the
same speed and in the same direction unless
acted upon by an unbalanced force.
What
doesthat
means?
It means that An object in motion
wants to stay in
motion, and an object
at rest wants to stay
at rest.
This is also called
INERTIA
Inertia
Inertia
Inertia
Inertia
The best place to test inertia is in Space, why?
In outer space there is no
air, or anything else to
create friction. So moving
objects will keep moving
forever, and objects that
aren't moving will stand
still forever.
The crash dummy is not wearing a seat belt
and is moving along with the car.
Both the car and the dummy are moving at,
say 60 mph.
When the car hits the cement road divider, it is
stopped (an outside force stops it from
moving).
The crash dummy, however is not so lucky.
Since he is not wearing a seat belt and is not
connected to the car, he will continue to move
at 60 mph. This means he will go flying out
through the front windshield.
The dummy will fly through the air until he hits
the ground.
This is because the earth's gravity stopped
him from moving any further.
If this collision had happened in zero-gravity,
in a vacuum, the dummy would theoretically
keep on hurtling away from the car at 60 mph.

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Inertia

  • 1. Name - Sarabjot Singh Class - 9th B Rollno. - 7 School - Innocent Hearts School
  • 3. An object at rest tends to stay at rest and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force. What doesthat means?
  • 4. It means that An object in motion wants to stay in motion, and an object at rest wants to stay at rest. This is also called INERTIA
  • 9. The best place to test inertia is in Space, why? In outer space there is no air, or anything else to create friction. So moving objects will keep moving forever, and objects that aren't moving will stand still forever.
  • 10. The crash dummy is not wearing a seat belt and is moving along with the car. Both the car and the dummy are moving at, say 60 mph. When the car hits the cement road divider, it is stopped (an outside force stops it from moving). The crash dummy, however is not so lucky. Since he is not wearing a seat belt and is not connected to the car, he will continue to move at 60 mph. This means he will go flying out through the front windshield. The dummy will fly through the air until he hits the ground. This is because the earth's gravity stopped him from moving any further. If this collision had happened in zero-gravity, in a vacuum, the dummy would theoretically keep on hurtling away from the car at 60 mph.