- Can we create gravity?
- Who invented gravity?
- Where on Earth Is gravity the strongest?
- Which is weakest force?
- Why does the broom stand by itself?
- Does Canada have less gravity?
- Does zero gravity exist?
- What is the strongest force?
- Is gravity a natural force?
- Is Anti Gravity theoretically possible?
- Can we create a black hole?
- What is value of G?
- Why gravity is the weakest force?
- Is Earth’s gravity decreasing?
- Which country has lowest gravity?
- How far is gravity from Earth?
- What is the broom challenge?
- Where on the surface of the Earth is gravity the weakest?
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..
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 on Earth Is gravity the strongest?
In the case of the earth, the force of gravity is greatest on its surface and gradually decreases as you move away from its centre (as a square of the distance between the object and the center of the Earth).
Which is weakest force?
In nuclear physics and particle physics, the weak interaction, which is also often called the weak force or weak nuclear force, is the mechanism of interaction between subatomic particles that is responsible for the radioactive decay of atoms.
Why does the broom stand by itself?
NASA experts have gone on record saying the hoax is simply not true. The truth is, brooms are sentient beings that can stand and walk all on their own – no wait, that’s not right. The actual truth is that brooms have a low center of gravity which lets them be balanced on their bristles any day of the week. Go ahead.
Does Canada have less gravity?
In parts of Canada, you’ll weigh about a tenth of an ounce less than you would anywhere else in the world. … That’s right: Canada actually has less gravity than it’s supposed to. The reasons for the shortage have puzzled scientists for decades. Gravity isn’t uniform all over the Earth’s surface.
Does zero gravity exist?
The sensation of weightlessness, or zero gravity, happens when the effects of gravity are not felt. Technically speaking, gravity does exist everywhere in the universe because it is defined as the force that attracts two bodies to each other. But astronauts in space usually do not feel its effects.
What is the strongest force?
The strong nuclear force, also called the strong nuclear interaction, is the strongest of the four fundamental forces of nature. It’s 6 thousand trillion trillion trillion (that’s 39 zeroes after 6!) times stronger than the force of gravity, according to the HyperPhysics website.
Is gravity a natural force?
Gravity (from Latin gravitas, meaning ‘weight’), or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.
Is Anti Gravity theoretically possible?
In the 20th century, Newton’s model was replaced by general relativity where gravity is not a force but the result of the geometry of spacetime. Under general relativity, anti-gravity is impossible except under contrived circumstances.
Can we create a black hole?
Creating microscopic black holes using particle accelerators requires less energy than previously thought, researchers say. … Any such black holes would pose no risk to Earth, however, scientists added. Black holes possess gravitational fields so powerful that nothing can escape, not even light.
What is value of G?
Its value is 9.8 m/s2 on Earth. That is to say, the acceleration of gravity on the surface of the earth at sea level is 9.8 m/s2. When discussing the acceleration of gravity, it was mentioned that the value of g is dependent upon location. There are slight variations in the value of g about earth’s surface.
Why gravity is the weakest force?
Actually, gravity is the weakest of the four fundamental forces. … Because they both have mass, the two protons exert gravitational attraction on each other. Because they both have a positive electric charge, they both exert electromagnetic repulsion on each other.
Is Earth’s gravity decreasing?
Near the surface of the Earth (sea level), gravity decreases with height such that linear extrapolation would give zero gravity at a height of one half of the Earth’s radius – (9.8 m. s−2 per 3,200 km.) and altitude h in metres.
Which country has lowest gravity?
Free fall favourite Mount Nevado Huascarán in Peru has the lowest gravitational acceleration, at 9.7639 m/s2, while the highest is at the surface of the Arctic Ocean, at 9.8337 m/s2. “Nevado was a bit surprising because it is about 1000 kilometres south of the equator,” says Hirt.
How far is gravity from Earth?
Gravity is generated by variations in the curvature of spacetime— the three dimensions of space plus time— which bend around any object that has mass. Gravity from Earth reaches the International Space Station, 400 kilometers above the earth, with almost its original intensity.
What is the broom challenge?
NASA Explains Why The Viral Standing Broom Trick Is a Hoax. MARGOT HARRIS, BUSINESS INSIDER. 12 FEBRUARY 2020. In the latest viral challenge to overtake Twitter, people are balancing brooms upright in order to demonstrate a supposed unique gravitational pull taking place on February 10.
Where on the surface of the Earth is gravity the weakest?
Gravity is strongest at the Earth’s surface, and its weakest at the Earth’s core.