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Science and Technology/Engineering > Grade High School > Physics
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Science and Technology/Engineering | Grade : High School

Discipline - Physics

Core Idea - Motion and Stability: Forces and Interactions

[HS.PHY.2.2] - Use mathematical representations to show that the total momentum of a system of interacting objects is conserved when there is no net force on the system. Clarification Statement: Emphasis is on the qualitative meaning of the conservation of momentum and the quantitative understanding of the conservation of linear momentum in interactions involving elastic and inelastic collisions between two objects in one dimension.

Resources:

Predecessor Standards:

  • 8.PS.2.1
    Develop a model that demonstrates Newton’s third law involving the motion of two colliding objects. State Assessment Boundary: State assessment will be limited to vertical or horizontal interactions in one dimension.

Successor Standards:

No Successor Standards found.

Same Level Standards:

  • SLCA.9-10.4
    Present information, findings, and supporting evidence clearly, concisely, and logically such that listeners can follow the line of reasoning and the organization, development, vocabulary, substance, and style are appropriate to purpose, audience, and task.
  • AI.N-Q.A.1
    Use units as a way to understand problems and to guide the solution of multi-step problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays.*
  • AI.N-Q.A.2
    Define appropriate quantities for the purpose of descriptive modeling.*
  • AI.A-SSE.A.1
    Interpret expressions that represent a quantity in terms of its context.*
  • AI.F-LE.A.1.b
    Recognize situations in which one quantity changes at a constant rate per unit interval relative to another.*
  • HS.PHY.2.1
    Analyze data to support the claim that Newton’s second law of motion is a mathematical model describing change in motion (the acceleration) of objects when acted on by a net force. Clarification Statements: Examples of data could include tables or graphs of position or velocity as a function of time for objects subject to a net unbalanced force, such as a falling object, an object rolling down a ramp, and a moving object being pulled by a constant force. Forces can include contact forces, including friction, and forces acting at a distance, such as gravity and magnetic forces. State Assessment Boundary: Variable forces are not expected in state assessment.
  • HS.PHY.2.3
    Apply scientific principles of motion and momentum to design, evaluate, and refine a device that minimizes the force on a macroscopic object during a collision.* Clarification Statement: Both qualitative evaluations and algebraic manipulations may be used.
  • HS.PHY.2.10
    Use free-body force diagrams, algebraic expressions, and Newton’s laws of motion to predict changes to velocity and acceleration for an object moving in one dimension in various situations. Clarification Statements: Predictions of changes in motion can be made numerically, graphically, and algebraically using basic equations for velocity, constant acceleration, and Newton’s first and second laws. Forces can include contact forces, including friction, and forces acting at a distance, such as gravity and magnetic forces.