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Engineering: explore STEM content (page 26 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

What class of lever is a nutcracker?1 / 8

Class 2. The hinge at the far end is the fulcrum, the nut sits between the hinge and your hands, and your hands supply the effort at the open end.

Engineering

Engineering · L2 · Matching Tools to Lever Classes

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Engineering · L2 · Matching Tools to Lever Classes

Flowchart7 objects

Engineering

Engineering · L1 · Towers & Stacking: Why Wide Bases Win · flowchart

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Engineering · L1 · Towers & Stacking: Why Wide Bases Win · flowchart

Collection4 items

01Engineering · L1 · Ramps & Wedges

02Engineering · L1 · Ramps & Wedges: Sloped Simple Machines

03Engineering · L1 · Long Ramp vs. Short Ramp

+1 more

Engineering

Engineering · L1 · Ramps & Wedges

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Engineering · L1 · Ramps & Wedges

Flowchart9 objects

Engineering

Engineering · L1 · Two Meshed Gears Turning Opposite Ways

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Engineering · L1 · Two Meshed Gears Turning Opposite Ways

Flashcards10 cards

What does a mechanical engineer design?1 / 10

Machines and moving parts — engines, gears, robots, car suspensions, and anything with parts that push, spin, or slide.

Engineering

Engineering · L2 · Engineering Disciplines

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Engineering · L2 · Engineering Disciplines

Collection5 items

01Engineering · L3 · Method of Joints

02Engineering · L3 · Method of Joints — Worked Example

03Engineering · L3 · Truss Analysis: Method of Joints

+2 more

Engineering

Engineering · L3 · Truss Analysis

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Engineering · L3 · Truss Analysis

Note~332 words · 2 min

Moving heat without mixing fluids A heat exchanger passes heat from a hot stream to a cold one through a thin metal wall, usually a bundle of tubes. The wall conducts well and keeps the fluids apart. That separation is the point. The two fl

Engineering

Engineering · L3 · Heat Exchangers

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Engineering · L3 · Heat Exchangers

Quiz6 questions

A force of 50 N is applied at a perpendicular distance of 0.4 m from a bolt. What torque is produced?

A12.5 N·mB20 N·mC50.4 N·mD200 N·m

Engineering

Engineering · L3 · Torque & Wrenches

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Engineering · L3 · Torque & Wrenches

Quiz4 questions

What is a prototype?

AA first, small, cheap try used to test an ideaBThe final, expensive productCA tool used to measure thingsDA type of simple machine

Engineering

Engineering · L1 · Prototypes & Model Building Quiz

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Engineering · L1 · Prototypes & Model Building Quiz

Flowchart9 objects

Engineering

Engineering · L3 · Specific Heat Capacity · flowchart

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Engineering · L3 · Specific Heat Capacity · flowchart

Flashcards10 cards

What does it mean to connect batteries in series?1 / 10

Connecting batteries in series means joining them end to end, positive to negative, in a single chain — like two AA batteries stacked inside a flashlight.

Engineering

Engineering · L2 · Batteries in Series vs Parallel

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Engineering · L2 · Batteries in Series vs Parallel

Flowchart11 objects

Engineering

Engineering · L1 · Choosing A Bridge Type For A Gap

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Engineering · L1 · Choosing A Bridge Type For A Gap

Collection5 items

01Engineering · L3 · Quality Control & Testing

02Engineering · L3 · Quality Control & Testing

03Engineering · L3 · Quality Control & Testing

+2 more

Engineering

Engineering · L3 · Quality Control & Testing

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Engineering · L3 · Quality Control & Testing

Note~389 words · 2 min

From matching properties to measuring them Earlier material selection was qualitative: a cable needs strength, a diving board needs flex, a drill bit needs hardness. Useful as a first filter, but it puts no number on how much better one opt

Engineering

Engineering · L3 · Strength-to-Weight Material Selection

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Engineering · L3 · Strength-to-Weight Material Selection

Flowchart10 objects

Engineering

Engineering · L1 · Long Ramp vs. Short Ramp

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Engineering · L1 · Long Ramp vs. Short Ramp

Flowchart18 objects

Engineering

Engineering · L4 · Lift generation and stall as angle of attack increases

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Engineering · L4 · Lift generation and stall as angle of attack increases

Flowchart11 objects

Engineering

Engineering · L2 · A Camera Flash Capacitor Cycle

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Engineering · L2 · A Camera Flash Capacitor Cycle

Quiz6 questions

You need to get a heavy box sliding across the floor. Once it's moving, does it take more, less, or the same force to keep it sliding at a steady speed?

AMore force than starting itBLess force than starting itCThe exact same forceDNo force at all

Engineering