November 11, 2016

This is a PBL (Problem-Based Learning) activity for introductory physics relating to circular motion and friction. In this scenario, students design a flat circular highway exit and determine, within a set of given constraints, what the exit speed limit should be. Students will apply concepts of rotational kinematics, static and kinetic friction, and will explore the dynamics involved in an object moving in a circular path. This resource includes a printable student manual and a password-protected teacher's guide with solutions and tips for instructors. PBL is an instructional method designed to strengthen student competency in reasoning and problem-solving. The activities mirror real scenarios encountered by practicing scientists and engineers. Learners sift through information to separate useful from irrelevant data, locate missing information on their own, and then apply physics in finding solutions.

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Cite specific textual evidence to support analysis of science and technical texts, attending to important distinctions the author makes and to any gaps or inconsistencies in the account.

Follow precisely a complex multistep procedure when carrying out experiments, taking measurements, or performing technical tasks; analyze the specific results based on explanations in the text.

Synthesize information from a range of sources (e.g., texts, experiments, simulations) into a coherent understanding of a process, phenomenon, or concept, resolving conflicting information when possible.

Write informative/explanatory texts, including the narration of historical events, scientific procedures/ experiments, or technical processes.

Make sense of problems and persevere in solving them.

Reason quantitatively and use units to solve problems.

Define appropriate quantities for the purpose of descriptive modeling.

Represent and model with vector quantities.

(+) Solve problems involving velocity and other quantities that can be represented by vectors.

Create equations that describe numbers or relationships

Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales.

Understand solving equations as a process of reasoning and explain the reasoning

Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.

Apply geometric concepts in modeling situations

Apply geometric methods to solve design problems (e.g., designing an object or structure to satisfy physical constraints or minimize cost; working with typographic grid systems based on ratios).?