English National Curriculum Science - Previous Lessons Science
Mission Objectives
Define contact forces
Explain what causes a range of contact forces
Describe ways of changing the size of a frictional force
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Words and meanings to learn
normal
A contact force which takes place when a surface pushes against an object which is placed upon the surface.
tension
The force created when a load is added to the end of a material in a specific direction.
applied
The application of a force by an object or a person being exerted upon another object.
spring
When an elastic object is contracted or expanded.
air resistance
Force that pushes against an object moving through the air.
Expert film
Mission assignment film
Operations Support Worker
Nuclear Decomissioning Operative
Nuclear Decomissioning Team Leader
Nuclear Decomissioning Site Engineer
Technical or Production Director
Analytical Technician