- Can we create gravity?
- What is gravity made of?
- Does mass affect gravity?
- Is gravity caused by the earth spinning?
- What are 5 facts about gravity?
- Why is gravity so weird?
- Can you remove gravity?
- What is gravity exactly?
- What would happen if there was no gravity?
- Who invented gravity?
- Where is gravity the strongest?
- Why does mass create gravity?
- Why does the moon not spin?
- Did Einstein believe in gravity?
- Is gravity a real force?
- Can gravity exist without mass?
- How do astronauts poop?
- Can gravity be manipulated?
Can we create gravity?
Artificial gravity can be created using a centripetal force.
A centripetal force directed towards the center of the turn is required for any object to move in a circular path.
In the context of a rotating space station it is the normal force provided by the spacecraft’s hull that acts as centripetal force..
What is gravity made of?
They proposed that gravity is actually made of quantum particles, which they called “gravitons.” Anywhere there is gravity, there would be gravitons: on earth, in solar systems, and most importantly in the miniscule infant universe where quantum fluctuations of gravitons sprung up, bending pockets of this tiny space- …
Does mass affect gravity?
Objects with more mass have more gravity. Gravity also gets weaker with distance. So, the closer objects are to each other, the stronger their gravitational pull is. Earth’s gravity comes from all its mass.
Is gravity caused by the earth spinning?
While the spinning of the Earth doesn’t directly affect gravity, it does off-set it a little. At the north and south poles objects weigh exactly what they should, and at the equator things weigh slightly less. … The farther you are from the Earth’s axis the more centrifugal force you’ll experience.
What are 5 facts about gravity?
Six weighty facts about gravityGravity is by far the weakest force we know. … Gravity and weight are not the same thing. … Gravity makes waves that move at light speed. … Explaining the microscopic behavior of gravity has thrown researchers for a loop. … Gravity might be carried by massless particles called gravitons.More items…•
Why is gravity so weird?
Why is gravity so weird? No force is more familiar than gravity — it’s what keeps our feet on the ground, after all. And Einstein’s theory of general relativity gives a mathematical formulation for gravity, describing it as a “warping” of space.
Can you remove gravity?
Gravity’s draw is simply masked by the free-falling motion of a spacecraft as it circles the planet. Only way out in deep space, beyond the domain of any planets or stars, can you truly escape gravity. As of yet, no technology exists to neutralize the pull of gravity.
What is gravity exactly?
Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is an attraction that exists between all objects, everywhere in the universe. … where G is called the Gravitational Constant.
What would happen if there was no gravity?
A lack of gravity would eventually take its toll on our very planet, writes Masters. “Earth itself would most likely break apart into chunks and float off into space.” … Without the force of gravity to hold it together, the intense pressures at its core would cause it to burst open in a titanic explosion.
Who invented gravity?
Sir Isaac NewtonSir Isaac Newton was an English mathematician and mathematician and physicist who lived from 1642-1727. The legend is that Newton discovered Gravity when he saw a falling apple while thinking about the forces of nature.
Where is gravity the strongest?
Gravity is strongest at the Earth’s surface, and its weakest at the Earth’s core.
Why does mass create gravity?
According to theory, the reason mass is proportional to gravity is because everything with mass emits tiny particles called gravitons. These gravitons are responsible for gravitational attraction. The more mass, the more gravitons. … Most gravitons exist in a cloud around the object.
Why does the moon not spin?
A changing orbit. Gravity from Earth pulls on the closest tidal bulge, trying to keep it aligned. This creates tidal friction that slows the moon’s rotation. Over time, the rotation was slowed enough that the moon’s orbit and rotation matched, and the same face became tidally locked, forever pointed toward Earth.
Did Einstein believe in gravity?
Einstein argued that gravity isn’t a force at all. He described it as a curvature of time and space caused by mass and energy.
Is gravity a real force?
In general relativity, gravity is a fictitious force. In classical mechanics, fictitious forces are not considered “real” forces. … The issue of gravity being a force or not has nothing to do with general relativity. If you believe that inertial forces are forces, then gravity is a force.
Can gravity exist without mass?
The only way to get gravity is with mass. The more mass, the more gravity you get. Without mass, you can’t have gravity. … The force of gravity that we feel is actually just an acceleration towards the center of the Earth at 9.8 meters per second squared, or 1G.
How do astronauts poop?
When it’s too full, astronauts must “put a rubber glove on and pack it down.” That’s what happens when the ISS toilet is working. … The process involves using a piece of equipment with hose using suction to pull away urine or poop after an astronaut uses the bathroom.
Can gravity be manipulated?
The better news is that there is no science that says that gravity control is impossible. … We are quite adept at controlling electromagnetic phenomena, so one can presume that such a connection might eventually lead to using our control of electromagnetism to control gravity.