Studied by 8 peopleFriction
when two solid objects slide against each other
drag
is there when an object is moving and acts in the opposite direction to which it is moving
Normal contact force
is there when two surfaces in contact with each other
tension
force inside stretched rope or elastic
weight
the pull of gravity acting on mass of an object and acts in a downward direction
thrust
push of a jet engine and acts in opposite direction of which engine is moving
lift
wind rushing over a wing, sail, etc.
upthrust
force that allows an object to float in a fluid
Note
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