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Engineering: explore STEM content (page 20 of 27) · openstem

All fields Software Mathematics Physics Chemistry Biology Engineering Astronomy Environmental Other Engineering Engineering groups

Explore STEM Content

Search the community's STEM library — free to study, yours to make your own.

Engineering

Circuits, mechanics, materials and design on openstem — flashcards, notes, quizzes, sketches and flowcharts shared by the community. Study free, or clone anything into your library.

Content Groups1

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Flashcards8 cards

A mechanic applies 40 N at a perpendicular distance of 0.25 m from a bolt. What torque is produced?1 / 8

τ = F × d = 40 N × 0.25 m = 10 N·m.

Engineering

Engineering · L3 · Torque & Wrenches

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Engineering · L3 · Torque & Wrenches

Collection4 items

01Engineering · L1 · Boats & Floating Cargo

02Engineering · L1 · Boats & Floating Cargo

03Engineering · L1 · Loading Cargo Onto a Boat

+1 more

Engineering

Engineering · L1 · Boats & Floating Cargo

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Engineering · L1 · Boats & Floating Cargo

Flashcards10 cards

Why does a metal spoon get hot fast in a pot of soup?1 / 10

Metal is a good heat conductor. Heat moves through it quickly, all the way up the handle.

Engineering

Engineering · L1 · Materials That Change With Heat

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Engineering · L1 · Materials That Change With Heat

Flowchart11 objects

Engineering

Engineering · L3 · Project Scheduling · flowchart

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Engineering · L3 · Project Scheduling · flowchart

Note~250 words · 1 min

Cleaning water, layer by layer Water from a river, lake or tap carries dirt, sand, leaves and dissolved compounds that taste or smell wrong. A filter forces it through layers of material, each catching something the others miss. Why one lay

Engineering

Engineering · L2 · How Water Filtration Works

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Engineering · L2 · How Water Filtration Works

Note~469 words · 2 min

One set of rules covers amplifiers, suspensions, radios, and equalisers. LTI systems and convolution One measurement describes an LTI system completely: its impulse response h(t). The same picture, with a sum instead of an integral, is exac

Engineering

Engineering · L4 · Signals and systems: convolution, Fourier transforms, and digital filters

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Engineering · L4 · Signals and systems: convolution, Fourier transforms, and digital filters

Quiz4 questions

What problem does an umbrella solve?

ACarrying heavy thingsBGetting wet in the rainCClosing clothes quicklyDSharpening pencils

Engineering

Engineering · L1 · Everyday Inventions Quiz

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Engineering · L1 · Everyday Inventions Quiz

Collection4 items

01Engineering · L1 · Fans & Motors

02Engineering · L1 · Motors: The Spinning Part Inside

03Engineering · L1 · How a Fan Makes a Breeze

+1 more

Engineering

Engineering · L1 · Fans & Motors

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Engineering · L1 · Fans & Motors

Flowchart9 objects

Engineering

Engineering · L3 · Beam Bending & Moment of Inertia · flowchart

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Engineering · L3 · Beam Bending & Moment of Inertia · flowchart

Flowchart5 objects

Engineering

Engineering · L1 · How Gears Turn Each Other · flowchart

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Engineering · L1 · How Gears Turn Each Other · flowchart

Flowchart9 objects

Engineering

Engineering · L2 · Standards & Codes · flowchart

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Engineering · L2 · Standards & Codes · flowchart

Flashcards8 cards

Can one person build a whole playground alone?1 / 8

Usually not! A playground needs many hands and many kinds of thinking, so a team of people builds it together.

Engineering

Engineering · L1 · Teamwork in Engineering

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Engineering · L1 · Teamwork in Engineering

Collection5 items

01Engineering · L3 · Digital Logic Gates

02Engineering · L3 · Digital Logic Gates — Truth Table Practice

03Engineering · L3 · Digital Logic Gates

+2 more

Engineering

Engineering · L3 · Digital Logic Gates

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Engineering · L3 · Digital Logic Gates

Quiz6 questions

What does a sensor do?

AIt always turns a motor onBIt detects something in the environment and turns it into informationCIt stores electricity for later useDIt only works when a person presses a button

Engineering

Engineering · L2 · Sensors & Feedback Quiz

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Engineering · L2 · Sensors & Feedback Quiz

Note~135 words · 1 min

Every tool has a job The right tool makes a job easier and safer. The wrong one makes it slow, messy, or dangerous. Safety rules

Engineering

Engineering · L1 · Picking the Right Tool, and Staying Safe

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Engineering · L1 · Picking the Right Tool, and Staying Safe

Flashcards8 cards

A fence needs 40 meters of wire at $3 per meter, plus $150 for labor. What is the total cost?1 / 8

Materials cost = 40 × $3 = $120. Total cost = $120 + $150 = $270.

Engineering

Engineering · L3 · Cost Estimation & Budgeting

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Engineering · L3 · Cost Estimation & Budgeting

Note~200 words · 1 min

Why keep one When you build and test things you try a lot of ideas, and the details fade within days. A design notebook is where you write and sketch what you tried and what happened, so nothing gets lost. It doesn't need to be fancy. Any n

Engineering

Engineering · L1 · Keeping a Design Notebook

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Engineering · L1 · Keeping a Design Notebook

Quiz4 questions

Which tool would you use to measure how long your desk is?

AScissorsBRulerCGlueDHammer

Engineering

Engineering · L1 · Tools & Safety Quiz

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Engineering · L1 · Tools & Safety Quiz

Flashcards10 cards

What does it mean for a bolt to be a "standard" size?1 / 10

Its dimensions — thread size, spacing, head shape — match an agreed rulebook that every manufacturer builds to, so a bolt from one factory fits a nut from a completely different factory.

Engineering

Engineering · L2 · Standards & Codes

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Engineering · L2 · Standards & Codes

Flowchart12 objects

Engineering

Engineering · L2 · How Load Travels Through a Truss

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Engineering · L2 · How Load Travels Through a Truss

Flowchart9 objects

Engineering

Engineering · L2 · Sensors & Simple Feedback · flowchart

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Engineering · L2 · Sensors & Simple Feedback · flowchart

Flowchart5 objects

Engineering

Engineering · L2 · How Things Are Made Quiz · flowchart

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Engineering · L2 · How Things Are Made Quiz · flowchart

Quiz6 questions

What does specific heat capacity measure?

AThe total heat energy stored in an objectBThe heat energy needed to raise 1 kg of a material by 1 °CCThe temperature at which a material meltsDThe rate at which heat flows through a material

Engineering

Engineering · L3 · Specific Heat Capacity

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Engineering · L3 · Specific Heat Capacity

Note~238 words · 1 min

Flow rate: how much, how fast The continuity equation For an incompressible fluid (water, oil, blood are all close enough), whatever goes in must come out. Nothing piles up or vanishes along the way. Sections 1 and 2 can be anywhere along t

Engineering