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Вы можете ознакомиться и скачать презентацию на тему Gravity or gravitation. Доклад-сообщение содержит 21 слайдов. Презентации для любого класса можно скачать бесплатно. Если материал и наш сайт презентаций Mypresentation Вам понравились – поделитесь им с друзьями с помощью социальных кнопок и добавьте в закладки в своем браузере.

Слайды и текст этой презентации

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Gravity

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Our Agenda In this presentation we will demonstrate the following points: What is gravity? Can we see gravity? Feeling the effect of gravity. Absence of gravity. Gravity around earth.

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Isaac Newton Was the first one to discover the law of gravity in the 17th century.

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Can we see gravity?

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No, we can’t see gravity but No, we can’t see gravity but we can feel it.

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How can we feel the effect of gravity?

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When a man wants to parachute out of a plane he falls down towards the ground because of gravity. When a man wants to parachute out of a plane he falls down towards the ground because of gravity.

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What happens in case of absence of Gravity?

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Life on earth is impossible without Gravity

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What about Gravity and astronomy?

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Astronomers say that all the planets Astronomers say that all the planets have gravity that attracts the nearby bodies and the force of gravity is proportional to the mass of this planet and the distance between it and the bodies that it attracts

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So that, all the cosmic bodies like the sun, moon, planets, stars, and cosmic dust, etc.. So that, all the cosmic bodies like the sun, moon, planets, stars, and cosmic dust, etc.. all have gravitational fields.

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No Is the Gravity equal in all planets?

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The moon has its own gravity, but it is not as strong as that of Earth. That is why astronauts on the moon can carry equipment that would be too heavy to carry on Earth. The moon has its own gravity, but it is not as strong as that of Earth. That is why astronauts on the moon can carry equipment that would be too heavy to carry on Earth.

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An astronaut who finds juggling fruit is easy without Earth's gravity pulling it down.

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Therefore the earth has a gravity field that attracts people to it and because of this gravity the objects are settled on the surface of the earth even the atmosphere. Therefore the earth has a gravity field that attracts people to it and because of this gravity the objects are settled on the surface of the earth even the atmosphere.