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Defining Problems with Criteria and Constraints
Worksheet
Grade Level
Grade 7
7.68 Defining Problems with Criteria and Constraints
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🔴 Hard
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Which set of criteria and constraints best defines the design problem?
A
Criteria: use one of three approved materials; match bolt pattern. Constraints: support 120 kg; stay cooler.
B
Criteria: support 120 kg with <1 cm sag; stay ≥8°C cooler than black metal after 30 min sun. Constraints: use one of three approved materials; match existing bolt pattern.
C
Criteria: support 20 kg. Constraints: must not match bolt pattern; must use unapproved materials.
D
Criteria: be hotter than black metal. Constraints: any material; drill new holes.
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