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Unit 2: Dynamics

Beijing National Olympic Stadium

Go for the Gold with STEM

STEM Explained

Learn about how STEM powers the Winter Olympics.

Four Harvard training aircraft

How Planes Fly

Backgrounders

Learn about what gets planes up in the air, what keeps them up there, and what brings them down again.

Student going over materials and plans

Summer Symposium Series: Engineering Career Resources

Backgrounders

A career in engineering would let you help people through designing and implementing the things they use in their daily lives.

Drop spindle with wool

Recycling Yarn Part 2: Spinning

Hands-on Activities

This is the second part of a two-part activity on recycling yarn.

Image showing the physics of flight on a drone.

Resources on Physics and Aerospace

STEM Explained

Resource page including articles and career profiles related to physics and aerospace.

Pitcher holding a baseball

Why Do Curveballs Curve?

STEM Explained

Bernoulli’s equation is key to understanding why curveballs curve.

The planet Mars

What is your weight on another planet?

Hands-on Activities

Do you weigh the same on Jupiter as you do on Earth? Learn to calculate your weight on a different planet.

Mars Science Laboratory Parachute Qualification Testing

Testing Parachutes for Mars

STEM Explained

NASA engineers apply kinematics and dynamics to test parachutes designed specifically to help space probes land safely using aerodynamics.

Space junk

Space Junk

STEM Explained

Litter isn't just a problem on Earth. When litter ends up in space, it can cause collisions and other consequences for satellites, the International Space Station and even for people on Earth!

Tennis Balls

Bouncing Objects

Picture Collections

10 images of some spherical objects such as golf balls and tennis balls that are made of different materials and used for specific purposes

A group of teens riding bicycles

How Can Understanding Physics Help Me Go Faster on My Bike?

STEM Explained

You don’t have to pedal harder to go faster. You just have to understand a little bit about dynamics, gravitational force and friction!

How can you lift a marble off a table without touching it with your hands?

How can you lift a marble off a table without touching it with your hands?

Hands-on Activities

Is it magic? No - it’s physics! Use circular motion to overcome the force of gravity and amaze your family!

Woodpecker on a tree

Do Woodpeckers Get Concussions?

STEM Explained

Pecking puts a lot of force on a woodpecker’s brain. But scientists think woodpecker bodies are adapted to help keep them from being injured during pecking-related collisions.

Teenage boys arm wrestling at school

Arm Wrestling and Torque

STEM Explained

Arm wrestling isn’t just a test of strength. It’s also a test of how well you understand torque.

Billiard balls and a cue stick on a felt-covered table (PIRO4D, Pixabay)

Billiards and Collisions

STEM Explained

The game of billiards shows the principles of collisions, momentum & impulse, and kinetics at work!