PLTW Final Exam Questions With 100% Correct Answers 2025/2026

PLTW Final Exam Questions With 100% Correct Answers 2025/2026 Precision - answer-Engineers communicate precisely to others Use clear definitions State the meaning of variables Are careful about specifying units Calculate accurately Express answers with a degree of precision appropriate for the problem context Why is it important to use constraints when sketching with your 3D modeling program? - answerBecause constraints allow you to move shapes accordingly in order to best represent the object you are sketching. Why are some constraints automatically applied by the software, but you must manually apply others? - answer-Because some shapes come with automatic constraints. Squares for instance, have two sets of parallel sides and all sides are equal in length. Fillet - answer-A curve formed at the interior intersection between two or more surfaces. Explain the difference between weight and mass. - answer-Weight is the force of gravity acting upon an object, while mass is the quantity of matter in an object. Density - answer-a measure of the amount of matter per unit of volumeMatter: Mass vs. Weight - answer-Mass is the amount of matter in an object or the quantity of the inertia of the object. Weight is the force of gravity on mass. W = weight m = mass g = acceleration of gravity SI units weight and mass - answer-mass = kilograms and weight = newtons