English National Curriculum - Science
Mission Objectives
Define pressure in terms of force and area
Explain how pressure varies with surface area and force
Calculate pressure on surfaces given relevant data, using standard units
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Words and meanings to learn
contact
the point or area where two objects touch and exert force on each other
pascals
the unit of pressure; 1 Pa = 1 N/m²
force
a push or pull acting on an object, measured in newtons (N)
pressure
the force applied per unit area, measured in pascals (Pa)
area
the surface over which a force is spread, measured in square metres (m²)
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