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" Every body continues in a state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by a force impressed upon it. "
A Textbook on Steam Engineering - Σελίδα 38
1902
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American Practical Navigator, Τόμος 1

1977
...which he believed were applicable to the planets. Newton's laws of motion are : 1. Every body continues in a state of rest or of uniform motion in a straight line unless acted upon by an external force. 2. When a body is acted upon by an external force, its acceleration is directly...

A general view of the sciences and arts, Τόμος 1

William Jillard Hort - 1822
...kinds of motion, which are commonly denominated Newton's laws of motion. First. Every body will remain in a state of rest, or of uniform motion in a straight line, unless it be compelled to change that state, by forces impressed. Second. The change of motion is always VOL....

A Compendium of Astronomy

Denison Olmsted - 1839 - 276 σελίδες
...heavenly bodies. It is commonly called the First Law of Motion and is as follows : Every body perseveres in a state of rest, or of uniform motion in a straight line, unless compelled by some force to change its state. This law has been fully established by experiment, and...

Letters on Astronomy: Addressed to a Lady; in which the Elements of the ...

Denison Olmsted - 1841 - 419 σελίδες
...great laws of motion, which are three in number. The FIRST LAW is as follows : every body perseveres in a state of rest, or of uniform motion in a straight line, unless compelled by some force to change its state. By force is meant any thing which produces motion. The...

Syllabus of a series of lectures, exercises, & conversations, on the ...

Robert Johnson (director of educ.) - 1855
...solid bodies have a Centre of Gravity. The three fundamental Laws of Motion. — 1. Every body will continue in a state of rest, or of uniform motion in a straight line, unless it be acted upon by some external force. — 2. Change of Motion is always proportional to the moving...

Letters on Astronomy, in which the Elements of the Science are Familiarly ...

Denison Olmsted - 1855 - 427 σελίδες
...great laws of motion, which are three in number. The FIRST LAW is as follows : every body perseveres in a state of rest, or of uniform motion in a straight line, unless compelled by some force to change its state. By force is meant any thing which produces motion. . The...

A Compendium of Astronomy: Containing the Elements of the Science ...

Denison Olmsted - 1855 - 287 σελίδες
...heavenly bodies. It is commonly called the First Law of Motion and is as follows : Every bod$ perseveres in a state of rest, or of uniform motion in a straight line, unless compelled by some force to change its state. This law has been fully established by experiment, and...

Letters on Astronomy: In which the Elements of the Science are Familialry ...

Denison Olmsted - 1858 - 427 σελίδες
...great laws of motion, which are three in number. The FIRST LAW is as follows : every body perseveres in a state of rest, or of uniform motion in a straight line, unless compelled by some force to change its state. By force is meant any thing which produces motion. The...

A Compendium of Astronomy: Containing the Elements of the Science

Denison Olmsted - 1858 - 287 σελίδες
...heavenly bodies. It is commonly called the First Law of Motion and is as follows : Every body perseveres in a state of rest, or of uniform motion in a straight line, unless compelled by some force to change its state. This law has been fully established by experiment, and...

Elements of Natural Philosophy Designed for Academies and High Schools

Elias Loomis - 1858 - 351 σελίδες
...or laws of motion. They are the following: LAW I. — Every body continues in its state of rest, or of uniform motion in a straight line, unless acted upon by some external force. Matter in its unorganized state is inanimate or inert. It can not give itself motion, nor can it change...




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