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Dyches 5th Science

Vocabulary ~ Force & Motion

TermDefinition
Friction The resistance of motion when one object rubs against another.
Gravity A force which tries to pull two objects toward each other.
Momentum Mass in motion! Movement is determined by how much mass is moving and how fast it is moving.
Resistance An opposing or slowing force.
Inertia The resistance of an object to any change in its motion, including a change in direction. An object will stay still or keep moving at the same speed and in a straight line, unless it is acted upon by an outside force.
Balanced Forces A still object can/will remain at rest.
Unbalanced Forces Can cause a still object to begin moving with a push or pull. Can cause a moving object to change direction and speed.