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Questions and Answers List

Question	Answer
State of an object when opposing forces are balanced	Equilibrium
Unit for measuring forces (N)	Newton
Single force which can replace all the forces acting on an object and have the same effect	Resultant force
Force opposing motion which is caused ny the interaction of surfaces moving over one another. It is called 'drag' if one is a fluid.	Friction
Force extending or pulling apart.	Tension
Force squashing or pushing together.	Compression
One that acts by direct contact.	Contact force
The ratio of force to surface area, in N/m^2, and it causes stress in solids.	Pressure