What is a treacherous person?
adjective. If you describe someone as treacherous, you mean that they are likely to betray you and cannot be trusted. [disapproval] He publicly left the party and denounced its treacherous leaders. Synonyms: disloyal, deceitful, untrustworthy, duplicitous More Synonyms of treacherous.
What is a synonym for treachery?
treachery. Synonyms: insidiousness, faithlessness, perjury, betrayal, fractiousness, treason. Antonyms: openness, fidelity, honor, chivalry, generosity.
What does treacherous mean in the Bible?
faithless, false, disloyal, traitorous, treacherous, perfidious mean untrue to what should command one’s fidelity or allegiance. faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty.
What does repulsive mean?
1 : serving or able to repulse repulsive force. 2 : tending to repel or reject : cold, forbidding.
What is repulsive behavior?
repulsive (rather formal) extremely unpleasant in a way that offends you or makes you feel slightly ill. Repulsive usually describes people, their behaviour or habits, which you may find offensive for physical or moral reasons. gross (informal) (of a smell, taste or personal habit) extremely unpleasant.
Is gravity ever repulsive?
Both in the Newton theory of gravitation and in the General Theory of Relativity the gravitational force is exclusively attractive one. However, the quantization of gravity shows that the gravitational forces can also be repulsive [3].
Can we reverse gravity?
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.
Does gravity exist in a vacuum?
In a vacuum, gravity causes all objects to fall at the same rate. The mass of the object does not matter. If a person drops a hammer and a feather, air will make the feather fall more slowly. The spacecraft, its crew and any objects aboard are all falling toward but around Earth.
What is the origin of gravity?
Earth’s gravity comes from all its mass. All its mass makes a combined gravitational pull on all the mass in your body. You exert the same gravitational force on Earth that it does on you. But because Earth is so much more massive than you, your force doesn’t really have an effect on our planet.
Where 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). Of course, the earth is not a uniform sphere so the gravitational field around it is not uniform.
What would happen if there was no gravity?
With less gravity, it is harder to keep your body strong. If the Earth’s gravity is lost, all items held to the Earth’s surface by gravity would float away. That includes the atmosphere, water, people, cars and animals. If an object were secured strongly to the Earth, it would probably remain attached.
At what height Earth gravity is zero?
0 m/s2
Where is no gravity on Earth?
Tulsishyam is not the only place to have anti-gravity hills. The Electric Bae in South Ayrshire (Scotland), the Gravity Hill in Prosser (Washington), the Confusion Hill in Piercy (California) and the Magnetic Hill in Black Rock (Australia) are also similar places located in different parts of the world.
How far up is space?
100 kilometers
Why gravity at the Centre of Earth is zero?
If you are at the center of the earth, gravity is zero because all the mass around you is pulling “up” (every direction there is up!).
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.
What is the value of g 0?
The standard acceleration due to gravity (or standard acceleration of free fall), sometimes abbreviated as standard gravity, usually denoted by ɡ0 or ɡn, is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as 9.80665 m/s2 (about ft/s2).
What is acceleration due to gravity at Centre of Earth?
hence g=0. So at the centre of earth acceleration due to gravity is zero.