# Tagged With "momentum"

Everything

#### Re: Physics of a Pirouette

Robby ·
What a great lesson! Thanks so much for sharing it with the PocketLab community. We'll send you a free t-shirt for posting it.
Topic

#### Physics of a Pirouette

Emma Rocco ·
Have you ever wondered how a ballerina turns so quickly? This curriculum combines torque and angular velocity through conservation of momentum to show how torque is what allows a ballerina to turn so quickly.
Blog Post

#### A Momentum Conservation Experiment for an Inelastic Collision Between Two Carts

Rich ·
Do you have two PocketLab Maker Kit carts, and do you have the free VelocityLab app? Then you are all set to do some experiments in conservation of momentum with PocketLab! This lab discusses how to setup and perform an inelastic collision in which one cart (A) is moving toward another cart (B) that is at rest. When cart A hits cart B, they stick and move off together. The photo below shows the two carts shortly before the collision would occur. PocketLab is mounted on a front wheel of cart...
Blog Post

#### A Classic Conservation of Momentum Experiment with PocketLab

Rich ·
A well-known conservation of momentum experiment that has been around for many years involves dropping a brick onto a horizontally moving cart. With PocketLab and the VelocityLab app, your students can perform this experiment easily with the cart from the PocketLab Maker Kit and a small block of wood. The snapshot below shows the setup with the author about to drop the block of wood onto the cart coming from the left. A pair of rails, with inside separation just a little larger than the axle...
Blog Post

#### A Quantitative PocketLab Study of Momentum, Impulse, and Force in the Collision of Two Carts

Rich ·
You don't need an expensive air track to do a quantitative study of momentum, impulse, and force involved in the collision of two carts. You can get very good results by the use of two PocketLabs, two iPhones, and a pair of carts from the PocketLab Maker Kit. As shown in the picture below, each cart has a PocketLab mounted on one of its wheels, so that the z-axis is the axis of interest when the carts are moving. You can only connect one PocketLab to an iPhone at time, thus the need for two...
Blog Post

#### Conservation of Momentum When Two Carts "Explode"

Rich ·
Do you have two carts from the PocketLab Maker Kits? Do you have two PocketLabs? You probably have at least two students in your physics class with iPhones. Do they have the VelocityLap app installed on their iPhones? Then you have the major components for your students to investigate conservation of momentum when two carts on a track "explode". As shown in the picture below, each cart has a PocketLab mounted on one of its wheels, so that the z-axis is the axis of interest when the carts are...
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