CIRCULAR MOTION AND GRAVITY
Objectives
Start
Gravity and Gravitational Attraction
Inertia
Click on the bus
Orbital Motion
Gravity and Inertia work to keep the moon in orbit around Earth.
Without gravity and inertia the moon would travel in a straight line.
Circular Motion:
Imagine spinning a ball on a string around your hand. The ball wants to keep moving in a straight line, but the string pulls it toward your hand, causing it to curve in a circle.
Gravity
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For example, when you drop a ball, it falls to the ground because of gravity. The Earth's gravity pulls it downward.
Gravity acts as an invisible force that attracts objects toward each other.
Mass
The gravitational force between two objects depends on their masses. The greater the mass of an object, the stronger the gravitational force it exerts.
A journey soon begin through Social Science experiences!
Distance
Conclusion
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Welcome 6th graders!
Let’s practice
Let’s practice
click on the gif
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9TH-CIRCULAR MOTION AND GRAVITY-EN © 2024 by CASURID is licensed under CC BY-NC-ND 4.0
Inertia: The tendency of an object to resist a change in motion.
An object with more mass has more inertia.
Objects with more inertia are harder to move and stop.
Circular motion happens when an object moves in a circular path around a fixed point, like a merry-go-round or a planet orbiting the Sun. The key idea to understand is that even though the speed of the object may be constant, its direction is constantly changing.
As the distance between two objects increases, the gravitational force between them decreases.
The gravitational force between two objects also depends on the distance between them. The closer two objects are to each other, the stronger the gravitational force between them.
Audio
SC.912.P.12.4 Describe how the gravitational force between two objects depends on their masses and the distance between them.
The gravitational force between two objects depends on how much mass they have (the more mass, the stronger the force) and how far apart they are (the closer they are, the stronger the force). This understanding helps explain why objects with larger masses, like planets and stars, have stronger gravitational pulls, and why the force of gravity decreases as you move farther away from an object.
Gravity: Force that attracts all objects toward each other.
Force of gravity (between two objects) is affected by the masses of the objects and the distance between them.
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Transcript
CIRCULAR MOTION AND GRAVITY
Objectives
Start
Gravity and Gravitational Attraction
Inertia
Click on the bus
Orbital Motion
Gravity and Inertia work to keep the moon in orbit around Earth. Without gravity and inertia the moon would travel in a straight line.
Circular Motion:
Imagine spinning a ball on a string around your hand. The ball wants to keep moving in a straight line, but the string pulls it toward your hand, causing it to curve in a circle.
Gravity
Click
For example, when you drop a ball, it falls to the ground because of gravity. The Earth's gravity pulls it downward.
Gravity acts as an invisible force that attracts objects toward each other.
Mass
The gravitational force between two objects depends on their masses. The greater the mass of an object, the stronger the gravitational force it exerts.
A journey soon begin through Social Science experiences!
Distance
Conclusion
Click on the computer
Let's practice
Let’s practice
Let’s practice
Welcome 6th graders!
Let’s practice
Let’s practice
click on the gif
Great job!
See you next time
9TH-CIRCULAR MOTION AND GRAVITY-EN © 2024 by CASURID is licensed under CC BY-NC-ND 4.0
Inertia: The tendency of an object to resist a change in motion. An object with more mass has more inertia. Objects with more inertia are harder to move and stop.
Circular motion happens when an object moves in a circular path around a fixed point, like a merry-go-round or a planet orbiting the Sun. The key idea to understand is that even though the speed of the object may be constant, its direction is constantly changing.
As the distance between two objects increases, the gravitational force between them decreases.
The gravitational force between two objects also depends on the distance between them. The closer two objects are to each other, the stronger the gravitational force between them.
Audio
SC.912.P.12.4 Describe how the gravitational force between two objects depends on their masses and the distance between them.
The gravitational force between two objects depends on how much mass they have (the more mass, the stronger the force) and how far apart they are (the closer they are, the stronger the force). This understanding helps explain why objects with larger masses, like planets and stars, have stronger gravitational pulls, and why the force of gravity decreases as you move farther away from an object.
Gravity: Force that attracts all objects toward each other. Force of gravity (between two objects) is affected by the masses of the objects and the distance between them.