English National Curriculum - Science
Mission Objectives
Explain the difference between mass and weight
Describe the forces on a falling object
Define and explain terminal velocity
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Words and meanings to learn
air resistance
the opposing force acting against the motion of the object as it falls through the air
gravitational field strength
the force per unit mass, often represented by g, measured in newtons per kilogram (N/kg)
weight
the force exerted on an object due to gravity, measured in newtons (N)
mass
the amount of matter in an object, measured in kilograms (kg)
terminal velocity
the constant speed reached by an object falling through a fluid (like air) when the force of gravity is balanced by the drag force (air resistance)
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