Gravity definitions
| Word backwards | ytivarg |
|---|---|
| Part of speech | Noun |
| Syllabic division | grav-i-ty |
| Plural | The plural of the word gravity is "gravities". |
| Total letters | 7 |
| Vogais (2) | a,i |
| Consonants (5) | g,r,v,t,y |
Gravity is a fundamental force that governs the motion of objects in the universe. It is the force that pulls objects with mass towards each other. This force is what keeps the planets in orbit around the sun and the moon in orbit around the Earth. Gravity is what gives objects weight and causes them to fall towards the ground when dropped.
Sir Isaac Newton was the first scientist to formulate a mathematical description of gravity. In his law of universal gravitation, Newton stated that every mass attracts every other mass in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
Effects of Gravity
Gravity has a number of important effects on the universe. It is responsible for holding galaxies together, preventing them from flying apart due to the expansion of the universe. On a smaller scale, gravity keeps our feet firmly planted on the ground and determines the shape and behavior of celestial bodies such as stars and planets.
Gravitational Waves
Gravitational waves are ripples in spacetime that are generated by massive bodies moving through the universe. These waves were predicted by Albert Einstein in his theory of general relativity and were first detected in 2015. Gravitational waves provide a new way of observing the universe and have opened up a new field of astronomy.
Escape Velocity
Escape velocity is the minimum velocity that an object must have in order to break free from the gravitational pull of a planet or other celestial body. The escape velocity of an object depends on its mass and the mass of the body it is trying to escape from. For Earth, the escape velocity is about 11.2 kilometers per second.
Gravity Examples
- The apple fell from the tree due to gravity.
- Astronauts experience microgravity in space.
- The gravity of the situation began to sink in.
- The gravity of her words left him speechless.
- The rock rolled down the hill under the force of gravity.
- She felt the weight of the world on her shoulders, like gravity pulling her down.
- His reckless actions had serious gravity and consequences.
- The gravity of the situation required immediate action.
- Exercising regularly helps counteract the effects of gravity on the body.
- In physics, gravity is a fundamental force that attracts two bodies towards each other.