Science (2015) Grade(s): 09-12 - Physics

SC15.PHYS.3

Evaluate qualitatively and quantitatively the relationship between the force acting on an object, the time of interaction, and the change in momentum using the impulse-momentum theorem.

Unpacked Content

Scientific and Engineering Practices

Obtaining, Evaluating, and Communicating Information

Crosscutting Concepts

Cause and Effect

Knowledge

Students know:
  • How to use mathematical computations to solve for unknown variables in the impulse momentum theorem.
  • How to interpret area under a curve of a graph.
  • How to solve for kinematics variables using mathematical computations.
  • Appropriate units of measure.
  • How to identify the system.

Skills

Students are able to:
  • Manipulate equations.
  • Interpret graphical data.
  • Follow written and verbal instructions.
  • Draw force diagrams.
  • Identify the forces acting on an object.
  • Solve mathematical equations.

Understanding

Students understand that:
  • The same change in momentum can be caused by different force—time combinations.

Vocabulary

  • model
  • graph
  • position
  • velocity
  • acceleration
  • displacement
  • distance
  • speed
  • instant
  • interval
  • kinematic equations
  • analyze
  • slope
  • area under curve
  • intercepts
  • vector
  • scalar
  • coordinates
  • origin
  • magnitude
  • units of measure
  • significant figures
  • friction
  • free-body diagram
  • force diagram
  • net force
  • inertia
  • action-reaction
  • proportional
  • force
  • mass
  • system
  • momentum
  • impulse
  • peak
  • trough
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