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Work and Machines Vocabulary
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- 1forceForce is a push or pull; it gives energy to an object causing it to change its position, start/stop moving or change directions. Force has no direction.
- 2motiona change in a position in a certain amount of time
- 3frictiona force that acts in a direction opposite to the motion of a moving object
- 4speedthe rate at which an object move
- 5stationarystill, not moving
- 6frame of referencethe object that is used for comparison to calculate speed
- 7sliding frictiondragging a book over a desk
- 8rolling frictionwheels
- 9fluid frictionliquids/gasses and air resistance
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- Descripción
- Vocabulary for G7 Science Unit on Work and Machines
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- ivy.maeda
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