Project: Crash barrier Design project: Design a crash barrier Design challenge Construct a crash barrier designed to minimize the impact force experienced by a cart in a collision. Design criteria and constraints Your crash barrier must: Track end stops reduce the impact force to Press-in plunger 3 clicks less than 10.0 N; Smart Cart Attach magnetic bumper Crash barrier -W have mass less than 50 g; . have length less than 12 cm; -Track feet and, have a flat front. Test equipment Smart Cart with bumper, dynamics track with feet and end stops. Part 1: Observe the effect of changing variables. Set up your test equipment like the picture. Use the DC_CrashBarrier experiment file to record data. . Test the cushioning ability of different barrier materials. Write a testable hypothesis on the effect of each parameter. Record your observations. Test the effect of different configurations of materials. Write a testable hypothesis on the effect of each parameter. Record your observations. 46 Part 2: Design the prototype crash barrier Describe your design, with words and sketches. Part 3: Construct the prototype crash barrier Part 4: Evaluate the prototype crash barrier Test your crash barrier and describe its performance (strengths and weaknesses). Part 5: Revise and re-evaluate Revise your design and then conduct a final performance evaluation. Describe its strengths and weaknesses