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Force
push or pull acting upon an object as a result of its interaction with another object
vector
Force is a ______ quantity
Newton (N)
Force is measured by what unit
Resultant force (Fnet)
single force that acts and causes change in a state of motion of an object, vector sum of all forces acting on one object
Applied and Normal
Two types of force
Applied
force applied to an object by another object/person
Normal
perpendicular support force exerted upon an object, contact with another stable object
Frictional Force
force exerted as an object moves across it makes an effort to move across it, opposes the motion of the object
mN
Formula of friction
Air resistance
acts upon an object as they travel thru air, neglected in calculations and opposes object motion
Tensional Force
transmitted thru string, rope, wire, when pulled tightly by forces acting at each end
Spring force
force exerted by a compressedor stretched string upon any object that is attatched to it
Force of Gravity
massive body attracts an object towards itself
Electrical
exists between charges
Free Body Diagram
represents forces of arrows acting on a body (object)
Static and Kinetic
Two kinds of friction
Static
Present on objectsthat are about to move
Kinetic
present on objects that are moving
fapp=f
if the fApp has a constant velocity, then what is the value of the frictional force?
fapp>f
if the fApp has an accelerating velocity, then what is the value of the frictional force?
Note
Flashcard