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  1. Newton's laws of motion are the laws of inertia, force and acceleration, and action and reaction. These three laws connect the concepts of force, physical objects, and the resulting motion. They also help explain more complex ideas and theories in physics.

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  2. Newton's Laws Packet (PDF) The Curriculum Corner contains a complete ready-to-use curriculum for the high school physics classroom. This collection of pages comprise worksheets in PDF format that developmentally target key concepts and mathematics commonly covered in a high school physics curriculum.

    • Figure \(\PageIndex{1}\): (a) A grand piano is being lifted to a second-story apartment. (b) Arrows are used to represent all forces: \(\vec{T}\) is the tension in the rope above the piano, \(\vec{F}_{T}\) is the force that the piano exerts on the rope, and \(\vec{w}\) is the weight of the piano.
    • Figure \(\PageIndex{2}\): A traffic light is suspended from two wires. (b) Some of the forces involved. (c) Only forces acting on the system are shown here.
    • Figure \(\PageIndex{3}\): (a) A view from above of two tugboats pushing on a barge. (b) The free-body diagram for the ship contains only forces acting in the plane of the water.
    • Figure \(\PageIndex{4}\): (a) The various forces acting when a person stands on a bathroom scale in an elevator. The arrows are approximately correct for when the elevator is accelerating upward—broken arrows represent forces too large to be drawn to scale. \
  3. Use our revision notes to understand Newton's second law and how to relate force with acceleration. Learn more.

  4. Multiple Choice. Identify the choice that best completes the statement or answers the question. After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals. zero, since no force is necessary to keep it moving. twice the force with which it was fired.

  5. The document is a webquest that provides information about Newton's Laws of Motion. It contains questions and activities about key concepts such as inertia, Newton's Second Law, free body diagrams, and relationships between net force, mass and acceleration.

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  7. Newton’s first law of motion: body at rest remains at rest or, if in motion, remains in motion at constant velocity unless acted on by a net external force; also known as the law of inertia: Newton’s second law of motion

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