This chapter discusses the gravitational effects. Sir Isaac Newton first recognized that the motions of the planets and many terrestrial phenomena (including the free-fall of apples) rest on a single precise and universal statement relating the separation of two bodies, their masses, and an attractive force between them. This Law of Universal Gravitation states that every particle of matter in the universe attracts every other particle with a force directly proportional to the product of the two masses and inversely proportional to the square of their separation. For a body to be raised from sea level, work must be done against the force of gravity. The chapter reveals that the importance of the geopotential derives from the fact that at any point in the field, no matter how complicated, the geopotential is unique. The presence of the atmosphere as a shell surrounding the Earth can be recognized as a direct consequence of the Earth's gravitational field. Each molecule of air is attracted toward the center of mass of the Earth by the force of gravity and is restrained from falling to the Earth by the upward force exerted by collision with a molecule below it.
TexT:
HOPE IT HELPS
1 votes Thanks 1
romarodela69
paki cut lang po yan 5 na kailangan mo
Although the gravitational force the Earth exerts on the objects is different, their masses are just as different, so the effect we observe (acceleration) is the same for each. The Earth's gravitational force accelerates objects when they fall. It constantly pulls, and the objects constantly speed up.
0 votes Thanks 0
hairynastilla
no ofence wag po Sana magalit parang mali po
Answers & Comments
Answer:
Publisher Summary
This chapter discusses the gravitational effects. Sir Isaac Newton first recognized that the motions of the planets and many terrestrial phenomena (including the free-fall of apples) rest on a single precise and universal statement relating the separation of two bodies, their masses, and an attractive force between them. This Law of Universal Gravitation states that every particle of matter in the universe attracts every other particle with a force directly proportional to the product of the two masses and inversely proportional to the square of their separation. For a body to be raised from sea level, work must be done against the force of gravity. The chapter reveals that the importance of the geopotential derives from the fact that at any point in the field, no matter how complicated, the geopotential is unique. The presence of the atmosphere as a shell surrounding the Earth can be recognized as a direct consequence of the Earth's gravitational field. Each molecule of air is attracted toward the center of mass of the Earth by the force of gravity and is restrained from falling to the Earth by the upward force exerted by collision with a molecule below it.
TexT:
HOPE IT HELPS
Answer:
Although the gravitational force the Earth exerts on the objects is different, their masses are just as different, so the effect we observe (acceleration) is the same for each. The Earth's gravitational force accelerates objects when they fall. It constantly pulls, and the objects constantly speed up.
http://www.physics4kids.com › files
http://www.physics4kids.com › files