Dynamic Carts, Set of 2

This rugged construction cart, with the quality ball bearing wheels, offers you minimum friction and excellent linearity of motion for many years. These carts cannot be damaged by excessive force due to the design. When pressure is applied from the top, the cart will automatically lower itself, forcing the wheels inside the unit.

PURPOSE Observation of uniform motion, accelerated motion, collision, and repulsion. This apparatus can also be used for observing the laws of inertia and conservation of momentum. Can be used in combination with a recording timer or strobe unit.

FUNCTION of EACH PART
* Hollow design for stacking
* Recording tape mounting unit
* Wheel (suspension mechanism)
* Coupling device
* Repulsion unit (also used as a buffer)
* Repulsion spring operating projection (also used as a hook for string, rubber string, or a spring balance).

MOUNTING OF RECORDING TAPE Insert a tape under the clamping screw of the unit after slackening it by one turn, and then securing the tape by tightening the screw.

COUPLING Perform an experiment by placing the two dynamic carts in line to collide with each other, in positions where their coupling devices directly face each other. For this experiment, confirm that the repulsion units are in a fully activated state.

REPULSION UNIT and REPULSION SPRING OPERATING PROJECTION Screw the repulsion rod in or out by turning the repulsion unit to adjust the force of the spring. The repulsion unit then becomes ready to operate when it is pushed in. In the event that it is difficult to set the unit, move the repulsion rod in an upward direction when pushing it into the unit.

*CAUTION* When the repulsion unit is set to operate, take great care not to bring your face or body near the repulsion unit, and express same caution to your students. Further, upon completion of an experiment or before storing the carts, be sure to confirm that the repulsion unit is de-activated.

HOLLOW DESIGN FOR STACKING By placing one cart on top of another, facing opposite directions, and by engaging the projection on the bottom of one cart with the hollow on top of the other, two or more carts can be stacked together. Using this method, the mass of a cart can be easily doubled or tripled.

SPECIFICATIONS
Dimensions: 150 x 78 x 45mm
Weight: 1 Kg.

REPLACEMENT PARTS C15-1640-03 Repelling Spring C15-1640-02 Hooks (for attaching Spring Scales) C15-1640-01 Wheel