physics

Running while black

Running while black 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 Running while black rather than just read about it. In short: Running while Black is a sardonic description of racial profiling experienced by Black runners in the United States and Canada. In the United States, jogging gained popularity after World War II, and has largely been portrayed by American media as an activity typically engaged in by White people; joggers of color are treated with suspicion.

Key takeaways

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

Reference excerpt

Running while Black is a sardonic description of racial profiling experienced by Black runners in the United States and Canada. In the United States, jogging gained popularity after World War II, and has largely been portrayed by American media as an activity typically engaged in by White people; joggers of color are treated with suspicion. Black runners report taking precautions such as wearing bright colors to appear non-threatening, avoiding running outside of daylight hours, running in groups for safety, and avoiding running fast enough to appear to be "running away from something." In 2021, Lyndsey Hornbuckle found that the issue was particularly common when Black people were running in White neighborhoods, and especially higher socioeconomic White neighborhoods. Sonia Sanchez's 1968 play The Bronx is Next includes a scene in which a White police officer arrests a Black person for running while Black. The 2000 US Supreme Court case Illinois v. Wardlow, which upheld the legality of a police search of a person based on the person running from police, has been described by civil libertarians as creating a new criminal offense of "running while black." Examples of racial incidents due to "running while Black" also include the 2015 death of Freddie Gray in Baltimore, the 2015 arrest of Jimmy Thoronka in London, a 2019 incident in Vancouver, Canada, and the 2020 murder of Ahmaud Arbery in Georgia, U.S.

See also "... while black" Biking while black Traveling While Black Driving while black Dying While Black Shopping while black While Black with MK Asante The talk (racism in the United States) Voting while black Learning while black Eating while black

References

Further reading Dragan Milovanovic, Katheryn Russell-Brown (2001). Petit Apartheid in the U.S. Criminal Justice System. Carolina Academic Press. ISBN 9780890899519. Ray, Rashawn (1 August 2017). "Black people don't exercise in my neighborhood: Perceived racial composition and leisure-time physical activity among middle class blacks and whites". Social Science Research. 66: 42–57. doi:10.1016/j.ssresearch.2017.03.008. ISSN 0049-089X. PMID 28705363. Johnson, Demarquin (2018). "Running While Black". Harvard Journal of African American Public Policy: 7–10. ProQuest 2187897381.

Worked examples

Example 1 — a first encounter with Running while black

Start with the simplest possible case. Write down what Running while black 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 Running while black 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 Running while black 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 Running while black

In research: Running while black 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 Running while black 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: Running while black is common in secondary-school and first-year university syllabi. It links to neighbouring topics African-American-related controversies, African-American stubs, American phraseology, so understanding it makes those chapters shorter.
In everyday life: Look for Running while black 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 Running while black in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Running while black 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.
Explain Running while black out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Running while black in simple terms?

Why does Running while black 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 Running while black?

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 Running while black.