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Explain why we do not sink into the earth although gravity is pushing us down?
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How do you explain what is weight?
Weight is the same as heaviness, the extent that something is pulled toward the earth by gravity.
What two sources of friction do you have to overcome when walking?
Gravity pushing you down on the earth and friction from the ground are the two types of friction you have to overcome when walking.
What are the forces act on a retaining wall?
Outward Force: dirt pushing against retaining wallInward Force: atmospheric pressure, the retaining wall pushing against the dirtDownward Force: gravity, atmospheric pressure, the retaining wall pushing against the earth.Upward Force: The earth pushing against the retaining wall.
How do you explain gravity to kids?
because the earth is round & we don't fall off, something is holding us upon this earth, that my-dear-children, is GRAVITY! hehe. you'll learn about it more when you're older tell em.
How do thrust drag and gravity affect a hydro-rocket?
Thrust - is the force pushing it forwards Drag - the force acting against the rocket Gravity - the force acting upon the rocket trying to push it towards the centre of the earth
How can you stand on earth explain?
Gravity keeps you on the earth.....
The forces that act on a rock at rest in your hand?
Gravity is pushing the rock down toward the Earth and your hand is pushing upward in opposite direction but equal to gravity.
If gravity is pulling you what is pushing you back?
Nothing. Actually gravity is pushing you down but there is enough air resistance on the earth to stop us feeling heavy and crushed
How can a person walk on the moon when there is 0 gravity there?
The moon has gravity, although less than Earth has.
Can humans survive in space with only and oxygen mask?
No. Humans need more than just a supply of oxygen to maintain life in space. Because there is gravity on Earth, we are accustomed to this, and maintain our "shape" with the pressure of gravity, but if we went to space where there is no gravity, we would actually, explode. Because we are used to the pressure of gravity, our bodies are actually pushing out to keep shape, but once there is nothing pushing in, and we're pushing out, we explode.
Can their be negative gravity?
Yes, there can be negative gravity. If a gravity is a pulling force then in the other hands a negative gravity would be a pushing force, in other words, the negative gravity would push us to wherever and the positive gravity on Earth would pull us.
What is the measurement for how much gravity pulls on an abject?
Gravity is NOT a pulling Force. Gravity is a "Pushing" Force of Mass Expansion. Earth Mass is Expanding at the Gravitational Acceleration rate of 9.808175174 m/s^2
Who founded the earth gravity?
No one 'founded' gravity. On earth or elsewhere. Gravity is a physical attribute of the universe in general. The first to explain the relationship of gravity to the universe in cogent and mathematically provable ways was Sir Isaac Newton.
Is the moon in the earths gravity?
Yes, all objects in the universe have gravity. The gravity on the moon is about 1/6 of the gravity on Earth.
Which weighs more the earth or the moon?
There is no such thing as weight in space as there is no gravity up there. Although seeing as the earth has more mass it would weigh more if there where gravity in space.
How do you explain what is weight?
Weight is the same as heaviness, the extent that something is pulled toward the earth by gravity.
Explain how earth's mass is related to its ability to have an atmosphere?
The Earth has an atmosphere because it has the gravity necessary to keep the gases from floating off into space. The more mass a planet has, the more gravity it has, and the more gravity it has, the thicker an atmosphere it can sustain.
