Resources tagged with: Engineering

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There are 54 results

Broad Topics > Cross-curricular Contexts > Engineering

Impedance Can Be Complex!

Age 16 to 18 Challenge Level:

Put your complex numbers and calculus to the test with this impedance calculation.

A Circuit Problem

Age 16 to 18 Short Challenge Level:

Explore the voltages and currents in this interesting circuit configuration.

Turbo Turbines

Age 16 to 18 Challenge Level:

A look at power generation using wind turbines.

Pumping the Power

Age 16 to 18 Challenge Level:

What is an AC voltage? How much power does an AC power source supply?

The Wheatstone Bridge

Age 16 to 18 Challenge Level:

Explore the mathematics behind the famous Wheatstone Bridge circuit.

Beam Me Up

Age 16 to 18 Challenge Level:

A preview of some of the beam deflection mechanics you will look at in the first year of an engineering degree

Who Is an Engineer? A Quick Perspective After One Year of a University Engineering Course

Age 16 to 18

Doug has just finished the first year of his undergraduate engineering course at Cambridge University. Here he gives his perspectives on engineering.

AC/DC Circuits

Age 16 to 18

This article, including exercises, gives a thorough grounding in the topic of AC/DC circuits.

Ramping it Up

Age 16 to 18 Challenge Level:

Look at the calculus behind the simple act of a car going over a step.

Overarch 1

Age 16 to 18 Short Challenge Level:

This short question asks if you can work out the most precarious way to balance four tiles.

Bridge Builder

Age 16 to 18 Challenge Level:

In this short problem we investigate the tensions and compressions in a framework made from springs and ropes.

Euler's Buckling Formula

Age 16 to 18 Challenge Level:

Derive Euler's buckling formula from first principles.

Maths in the Undergraduate Physical Sciences

Age 16 to 18

An article about the kind of maths a first year undergraduate in physics, engineering and other physical sciences courses might encounter. The aim is to highlight the link between particular maths. . . .

Engnrich

Age 16 to 18 Challenge Level:

engNRICH is the area of the stemNRICH Advanced site devoted to the mathematics underlying the study of engineering

Physnrich

Age 14 to 18 Challenge Level:

PhysNRICH is the area of the StemNRICH site devoted to the mathematics underlying the study of physics

Making More Tracks

Age 16 to 18 Challenge Level:

Given the equation for the path followed by the back wheel of a bike, can you solve to find the equation followed by the front wheel?

Go Spaceship Go

Age 16 to 18 Challenge Level:

Show that even a very powerful spaceship would eventually run out of overtaking power

Dangerous Driver?

Age 16 to 18 Challenge Level:

Was it possible that this dangerous driving penalty was issued in error?

New Units for Old

Age 16 to 18 Challenge Level:

Can you match up the entries from this table of units?

Battery Modelling

Age 16 to 18 Challenge Level:

Find out how to model a battery mathematically

Moving Stonehenge

Age 16 to 18 Challenge Level:

A look at the fluid mechanics questions that are raised by the Stonehenge 'bluestones'.

The Not-so-simple Pendulum 1

Age 16 to 18 Challenge Level:

See how the motion of the simple pendulum is not-so-simple after all.

Keep Your Momentum Going

Age 16 to 18 Challenge Level:

A look at a fluid mechanics technique called the Steady Flow Momentum Equation.

Differential Electricity

Age 16 to 18 Challenge Level:

As a capacitor discharges, its charge changes continuously. Find the differential equation governing this variation.

Not Another NAND!

Age 14 to 18 Challenge Level:

Prove that you can make any type of logic gate using just NAND gates.

The Power of Dimensional Analysis

Age 14 to 18

An introduction to a useful tool to check the validity of an equation.

Core Scientific Mathematics

Age 14 to 18 Challenge Level:

This is the area of the advanced stemNRICH site devoted to the core applied mathematics underlying the sciences.

Approximately Certain

Age 14 to 18 Challenge Level:

Estimate these curious quantities sufficiently accurately that you can rank them in order of size

Model Solutions

Age 16 to 18 Challenge Level:

How do these modelling assumption affect the solutions?

Mach Attack

Age 16 to 18 Challenge Level:

Have you got the Mach knack? Discover the mathematics behind exceeding the sound barrier.

Building up Friction

Age 16 to 18 Challenge Level:

A series of activities to build up intuition on the mathematics of friction.

More Bridge Building

Age 16 to 18 Challenge Level:

Which parts of these framework bridges are in tension and which parts are in compression?

Powerfully Fast

Age 16 to 18 Challenge Level:

Explore the power of aeroplanes, spaceships and horses.

The Not-so-simple Pendulum 2

Age 16 to 18 Challenge Level:

Things are roughened up and friction is now added to the approximate simple pendulum

Maximum Flow

Age 16 to 18 Challenge Level:

Given the graph of a supply network and the maximum capacity for flow in each section find the maximum flow across the network.

Overarch 2

Age 16 to 18 Challenge Level:

Bricks are 20cm long and 10cm high. How high could an arch be built without mortar on a flat horizontal surface, to overhang by 1 metre? How big an overhang is it possible to make like this?

Stemnrich - Technology

Age 11 to 16 Challenge Level:

This is the technology section of stemNRICH - Core.

Stonehenge

Age 16 to 18 Challenge Level:

Explain why, when moving heavy objects on rollers, the object moves twice as fast as the rollers. Try a similar experiment yourself.

Stonehenge Is Going Nowhere

Age 14 to 16 Challenge Level:

In an extension to the Stonehenge problem, consider the mechanical possibilities for an arrangement of frictional rollers.

Procedure Solver

Age 16 to 18 Challenge Level:

Can you think like a computer and work out what this flow diagram does?

Mystery Procedure

Age 14 to 16 Challenge Level:

Can you work out what this procedure is doing?