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Ideas in Kinematics (Recap)

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Presentation on theme: "Ideas in Kinematics (Recap)"— Presentation transcript:

1 Ideas in Kinematics (Recap)
Motion involves a change in the position of an object over time. Motion can be described using mathematical relationships. Many technologies that apply concepts related to kinematics have societal and environmental implications.

2 Dynamics: Forces and Energy

3 Big Ideas in Dynamics Forces can change the motion of an object.
Energy can be transformed from one type to another. Energy transformations are never 100% efficient. Applications of Newton’s laws of motion have led to technological developments that affect society and the environment.

4 Big Ideas in Dynamics (cont.)
Applications that involve energy transformations (e.g. power generation) can affect society and the environment in positive ways, but also have negative effects.

5

6 What impact does the condition of the road and mass of a braking car have on the forces acting on the skidding vehicle? How has the design of cars and the introduction of technology like seatbelts and airbags reduced serious injuries and associated social costs? How much energy can be generated from falling water in hydro power? What are the advantages and disadvantages of using alternative methods of generating energy?

7 Dynamics: The study of forces and energy: how and why objects move. Concepts: Friction, normal force, free body diagrams Gravitational potential energy, kinetic energy, mechanical energy, work, power


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