physics

James Renwick (physicist)

James Renwick (physicist) is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand James Renwick (physicist) rather than just read about it. In short: James Renwick (30 May 1790 – 12 January 1863), was an English-American scientist and engineer. Early life Renwick was born in Liverpool, England, on 30 May 1790.

Key takeaways

James Renwick (physicist) belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect James Renwick (physicist) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of James Renwick (physicist) from memory before moving on to harder problems.

Reference excerpt

James Renwick (30 May 1790 – 12 January 1863), was an English-American scientist and engineer.

Early life Renwick was born in Liverpool, England, on 30 May 1790. He was the son of Jane Jeffrey Renwick (1773–1850) and William Renwick (1769–1808). His paternal grandfather was James Renwick (1743–1803). He graduated from Columbia College in 1807.

Career In 1820, Columbia appointed Renwick professor of natural philosophy, a position he held until 1854. In 1838, the U.S. government appointed him one of the commissioners to explore the line of the boundary between Maine and New Brunswick, which was settled in 1842 by the Webster-Ashburton Treaty. In addition to his collegiate duties he wrote biographies of Robert Fulton, David Rittenhouse, and Count Rumford for Sparks's American Biography; a memoir of DeWitt Clinton (1834); and Treatise on the Steam-engine (1830). His textbooks, Outlines of Natural Philosophy (1822), Elements of Mechanics (1832), and First Principles of Chemistry (1840) were among the first works of their kind published in the United States. The first and third of these, along with other educational works of his, passed through multiple editions. In 1828, Renwick was elected to the American Philosophical Society. In 1863, he was elected an Associate Fellow of the American Academy of Arts and Sciences.

Morris Canal Renwick was responsible for the idea and initial design of the inclined planes on the Morris Canal. The design of these planes were later copied for the Elbląg Canal in Poland.

Personal life Renwick married in 1816 Margaret Anne Brevoort (1791–1868), from a wealthy and socially prominent New York family. Together, they were the parents of:

Henry Brevoort Renwick (1817–1895), who was a mechanical engineer and inspector of steamboat engines. James Renwick Jr. (1818–1895), was a noted Gothic Revival architect, designer of St. Patrick's Cathedral in New York and the Smithsonian Castle in Washington, D.C., among many other buildings. Edward S. Renwick (1823–1912), who was a mechanical engineer, inventor and patent expert. Laura Renwick (1826–1879). Renwick died in New York City on 12 January 1863.

References

External links James Renwick at Find a Grave

Illustrations

Worked examples

Example 1 — a first encounter with James Renwick (physicist)

Start with the simplest possible case. Write down what James Renwick (physicist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to James Renwick (physicist) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about James Renwick (physicist) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of James Renwick (physicist)

In research: James Renwick (physicist) appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses James Renwick (physicist) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: James Renwick (physicist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1790 births, 1863 deaths, 19th-century American physicists, so understanding it makes those chapters shorter.
In everyday life: Look for James Renwick (physicist) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study James Renwick (physicist) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what James Renwick (physicist) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
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Frequently asked questions

What is James Renwick (physicist) in simple terms?

James Renwick (30 May 1790 – 12 January 1863), was an English-American scientist and engineer. Early life Renwick was born in Liverpool, England, on 30 May 1790.

Why does James Renwick (physicist) matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study James Renwick (physicist)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on James Renwick (physicist).