Forces, Motion, and Energy Chapter 1 Review

An object's change in position relative to a reference point

• Motion

• Speed

• Velocity

The distance traveled divided by the time interval during which the motion occurred

• Motion

• Speed

• Velocity

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The speed of an object in a particular direction

• Motion

• Speed

• Velocity

The rate at which velocity changes over time

• Newton

• Force

• Acceleration

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A push or pull exerted on an object

• Newton

• Force

• Acceleration

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SI unit of force

• Newtons

• lbs

• feet

The combination of all forces acting on an object

• gravitational force

• net force

• zero gravity

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A force that opposes motion between two surfaces that are in contact

• friction

• gravity

• mechanical force

A force of attraction between objects that is due to their masses.

• friction

• gravity

• mechanical force

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A measure of the gravitational force exerted on an object

• calories

• mass

• weight

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