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The claim of this Padlet is to convey the point that gravity is an attractive force.

Our sources were: OneNote, Gravity Pitch, & Weight in Space

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In the Gizmo lab called, "Gravity Pitch", the lab shows a representation of what it would take to pitch a ball all around the diameter of Earth, into orbit, or on other planets depending on their mass and radius. This Gizmo allowed you to test the different strengths of gravity on other planets. However, the lab also gives the option of "Custom Planet", where one can adjust the mass and radius of the planet. Also, the velocity in which the man pitches the ball, and the point of which the pitcher stands can be edited similarly.

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By changing the virtual planet's mass to a lower number, the pitcher is able to throw the ball into space with ease. This proves that the greater the mass, the more gravity, and less mass means less gravity. By changing the custom planet's radius, the results are the opposite. The smaller the planet's size, the stronger the gravity. Why is this? The answer is simple: gravity is an attractive force.

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Orbiting is when a celestial body goes around another in a continuous straight line. This form of movement is caused by two main forces, inertia and gravity.

Inertia is the tendency of an object in motion to stay in motion or an object at rest to stay at rest until another force acts upon it.

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Gravity is a pulling, attractive force between two objects. As stated before in the Gizmo Lab, the more mass that one of or both of the objects contains, the stronger their gravitational pull towards each other will be.

Distance also affects gravity along with mass. The farther away two objects are from each other, the weaker their gravitational pulls towards each other will be. Similarly, the more that distance decreases between two objects, the stronger the gravitational pulls will get.

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Depending on what planet or where you are in space, your weight alters. This is caused by gravity and mass of the object or person is made up of. This is because weight is defined as the amount of gravity being forced on an object or person. And the more mass that the object or person contains, the stronger the gravitational force, and in turn, making the object or person heavier. An example of this is if a person weighs 90 pounds on Earth, in outer space they will weigh 0 lbs. because there is 0 gravity in outer space. Another example of this is that on the Sun, there is 28 times more gravity then on the Earth. So, if a person that weighs 90 lbs. on Earth goes to the Sun they will now weigh 2520 lbs.

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Mass Change on Gravity Pitch Lab (Michael)

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Mass Change on Gravity Pitch Lab (Michael)

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Changing a planet's mass is the opposite of changing its radius. Expanding the mass of the planet will be drawn down by gravity's force. Decreasing the planet's mass will decrease the gravity as well. This lab clearly proves that mass effects gravity. This picture is when the mass is decreased.

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When the planet is smaller, the core, (which is the planet's source of gravity) is closer to the surface. When the pitcher is standing on the planet's surface, the ball will be drawn by gravity to the planet's core, hence, the ball will plummet to the ground. This reveals that the distance of the core from the surface effects gravity. This picture shows the smaller planet having strong gravity.