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Laws of Motion

Vocabulary for Laws of Motion

TermDefinition
Force A push or a pull.
Contact force A push or a pull on one object by another that is touching it.
Non-contact force A force that one object can apply to another object without touching it.
Newton The SI unit for force.
Gravity An attractive force that exists between all objects that have mass.
Mass The amount of matter in an object.
Kilogram The SI unit for mass.
Weight Gravitational force exerted on an object.
Friction A force that resists the motion of two surfaces that are touching.
Net force The combination of all the forces acting on an object.
Balanced forces Forces acting on an object that combine and form a net force of zero.
Unbalanced forces Forces acting on an object that combine and form a net force that is not zero.
Created by: Teacher Ida
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