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Unit 4: Inertia and Force Diagrams

Unit 4: Inertia and Force Diagrams. Newton’s 2 nd Law of Motion. An object in motion tends to stay in motion unless acted upon by an unbalanced force. An object at rest tends to stay at rest unless acted upon by an unbalanced force. Force. Force – interaction caused by a push or pull

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Unit 4: Inertia and Force Diagrams

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  1. Unit 4: Inertia and Force Diagrams

  2. Newton’s 2nd Law of Motion • An object in motion tends to stay in motion unless acted upon by an unbalanced force. • An object at rest tends to stay at rest unless acted upon by an unbalanced force.

  3. Force • Force – interaction caused by a push or pull • System schema – model that represents the interactions

  4. System Schema • All of the objects involved are drawn in bubbles. • Draw double sided arrows between objects that interact with each other. • Make a dotted circle around the object your are going to draw the force diagram for. • The number of arrows that cross the dotted line are the number you have in your force diagram.

  5. Constant Velocity Hover Ball Example

  6. Pulling the Hover Ball Example

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