Snapshot 1 Consider the hover disk sitting on the floor. Hover Disk Earth Floor Force Diagram (Free-Body Diagram) Constant Velocity Balanced Forces.

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Presentation transcript:

Snapshot 1 Consider the hover disk sitting on the floor. Hover Disk Earth Floor Force Diagram (Free-Body Diagram) Constant Velocity Balanced Forces

Snapshot 2 The hover disk is moving to the right while on. Hover Disk Earth Floor Constant Velocity Balanced Forces

Snapshot 3 The hover disk is sliding to the right while off. Hover Disk Earth Floor Changing Velocity Unbalanced Forces

Snapshot 4 The hover disk is pulled to the right while on. Hover Disk Earth Floor Changing Velocity Unbalanced Forces String

Do you see a pattern between the type of motion and whether or not the forces are balanced? Constant Velocity Balanced Forces Snapshot 1 Constant Velocity Balanced Forces Snapshot 2 Changing Velocity Unbalanced Forces Snapshot 3 Changing Velocity Unbalanced Forces Snapshot 4

Sir Isaac Newton (December 25 th, ) Newton’s First Law of Motion – Objects move with constant velocity when the forces are balanced and move with changing velocity when the forces are unbalanced.