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Mechanics

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1D 10.11 - Sand Catcher

Demonstrates: Motion in two dimensions.
Description: Hinged board with a cup at the opposite end, a small balloon filled with sand and a stick prop. Knock out the stick and the balloon falls in the cup.

1D 15.20 - Race Track (small)

Demonstrates: Kinetic and potential energy.
Description: Parallel wooden race tracks that start and stop at the same positions but differ in overall length of path travelled.

1D 15.21 - Race Track (big)

Demonstrates: Potential and kinetic energies.
Description: Large rectangular peg board with two red tracks that start and end at the same place but differ in length by having peaks and valleys inserted. Two 1" bearings are used as race cars.

1D 50.40 - Pail of Water

Demonstrates: Centripetal force.
Description: Swing a pail of water in a vertical circle and watch the water remain in the pail.

1D 52.10 - Centrifugal Hoops

Demonstrates: Rotational Force.
Description: Two brass hoops set perpendicular to each other with a common axis mounted on an electric motor.

1D 55.30 - Rotating Disc with Objects

Demonstrates: Centrifugal force.
Description: Large disk with wood blocks rotates until they fly off.

1D 60.20 - Simultaneous Ball Drop

Demonstrates: Horizontal and vertical components of a trajectory are independent of each other.
Description: Horizontal and vertical components of a trajectory are independent of each other.

1D 60.30 - Monkey Hunter

Demonstrates: Trajectory motion. Objects fall at the same rate. Vertical and horizontal motion are independant of each other.
Description: An electromagnet holds a jug "monkey" that falls when the blow gun ejects a projectile.

1D 60.40 - Range of Gun

Demonstrates: Trajectory as a function of angle.
Description: Pasco projectile launcher with adjustable barrel and force.
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