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Physics - Forces

QuestionAnswer
Friction Definition The contact force that acts to oppose sliding motion between surfaces
Friction symbol Ff
Friction Direction Parallel to the surface and opposite the direction of sliding
Normal Symbol Fn
Normal Definition The contact force exerted by a surface on an object
Normal Direction Perpendicular to and away from the surface
Spring Symbol Fsp
Spring Direction Opposite the displacement of the object at the end of the spring
Spring Definition A restoring force, that is, the push or pull a spring exerts on an object
Tension Symbol FT
Tension Direction Away from the object and parallel to the string, rope, or cable point of attachment
Tension Definition The pull exerted by a string, rope, or cable when attached to a body and pulled taut
Thrust Symbol Fthrust
Thrust Definition A general term for the forces that move objects such as rockets, planes, cars, and people
Thrust Direction In the same direction as the acceleration of the object barring any resistive forces
Weight Symbol Fg
Weight Direction Straight down toward the center of the Earth
Weight Definition A long-range force due to gravitational attraction between two objects, generally Earth and an object
Created by: buffy3994
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