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ELEMENT H

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STEM PRINCIPLES TO CONSIDER/RESEARCH

1. Material Properties
2. Stress and Forces on Materials
3. Force Vectors

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TESTING CRITERIA

1. The wheelchair must hold structural integrity as well as pose no danger/hinderance to the dog.
2. The wheelchair must be able to withstand the stresses placed on the materials throughout the testing phase.
3. Dog should be able to navigate and maneuver with as much freedom and capability as possible.
4. Wheelchair should support and aid in the rehabilitation process.

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TESTING PROCEDURES

1. Ensure that the wheelchair is secured on the dog.
2. Monitor dogs reaction to the wheelchair and how it moves.
3. Test the effectiveness and durability of the suspension system.
4. Monitor the dogs lifestyle when operating with the wheelchair.

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TESTING DATA

Front Weight Without Tension = 5.5 Newtons
Front Weight With Minor Tension on the Bed = 12 Newtons
Front Weight With Minor Tension on Back Bar = 10 Newtons
Testing the capacity of the back legs resulted in stress being put on the joints and shock system. This issue can be resolved by building the legs with less of an outwards angle.

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