Crumple Zone Lab Report

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Aim: The aim of the experiment is to study and experiment the effect a crumple zone has on a collision. The following experimental investigation regards the effect a crumple zone has on the impact of a collision. How it can be improved and what variables affect its effectiveness. In this experiment it was seen that after the data was recorded, that the most effective crumple zone was the Zigzag shape crumple zone. This was most likely because its shape deforms easily and acts like a spring therefore decreases the force on impact, whilst increasing the time. This result aligns with the hypothesis. Recommendations would be to use different material as crumple zones, also to test if the shape of a car (not crumple zone) would change the outcome …show more content…

Crumple zones are designed to absorb the energy from the impact during a traffic collision by controlled deformation. The equation associated with the experimentation of crumple zones is I = ft (Impulses = force x time). In any given collision if, the time (Seconds) is increased then the force (In Newtons) is decreased. If the time is decreased then the force is increased. Within the study of crumple zones it can be said that newtons first law of motion greatly applies. Newtons first law of motion states; an object will stay at rest or in uniform motion unless acted upon by an external unbalanced force. Theoretically the external unbalanced force is the crumple zone, although the crumple zone is neither unbalanced or external but rather quite controlled and internal. From research and subsequent experimental investigations, it was found that with increased time of a collision the force of the impact substantially decreased. This can be seen when comparing data from a long crumple zone to a short crumple zone. Although time and force play a huge role in the outcome of a collision other variables such as materials (what the crumple zone is made out of), size (large, medium, small crumple zone) and shape (whether the crumple zone is a rectangle, cone, cube, etc.) and the incline of the track (amount of text

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