Physics: Forces MYE8

physics yr8 forces mid years (pg 2 wb)

Friction

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