Preview the concepts covered in the Motions and Forces Teacher Notes.

Air Cart

Build (and test) an air cart that operates with very little friction

• Trial I: Building an air cart
• Trial II: Building a test ramp
• Trial III: Performing a coasting test

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Tracker

Explore the relationship between the movement of a cart and the shapes of the resulting position and velocity graphs

• Trial I: Walking off distances
• Trial II: Rolling cart
• Trial III: Rolling to a stop

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Propeller

Investigate how friction and the driving force of a propeller mounted on an air cart oppose one another

• Trial I: Adding a propeller to a cart
• Trial II: Measuring the motion of a propeller-driven cart
• Trial III: Adding a friction sled to a propeller-driven cart

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Collision I

Investigate what happens during a collision of a cart with a wall

• Trial I: Weighing the cart with the Force probe
• Trial II: Colliding a cart with a wall
• Trial III: Adding a bungee cord

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Collision II

Investigate what happens during a collision between two carts

• Trial I: Action and reaction
• Trial II: Forces on colliding carts
• Trial III: Velocities of colliding carts

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