Transcript text: Project Apollo presented many engineering problems. When finding a good solution to a problem, engineers must identify and work within a set of constraints. Constraints are things that limit the possible solutions to a problem.
Project Apollo had three key constraints: time, safety, and cost. President Kennedy set 1970 as the target deadline for landing a person on the Moon. He also specified that the astronauts must return safely to Earth. The project had a budget that specified how much money could be spent. Solutions to any of the Project Apollo problems had to work within these constraints.
In engineering problems, some constraints may be prioritized, or treated as more important than other constraints. For Project Apollo, time and safety were prioritized over cost.
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Both safety and cost were requirements that had to be met, so these constraints were a lower priority than other constraints. Because engineers working on Project Apollo prioritized the constraints in this way, their solutions to problems often cost more than planned.
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