Definitions Flashcards
A contact force
a contact force is a force that exists
in objects that are in contact with eachother
applied force
is a force that is applied to an object by a person or another object
normal force
is also known as surface force, had the ability to match force and not exert it
surface force is ALWAYS
perpendicular to the surface
frictional force
a contact force that is always opposite the direction of motion
non contact force
also known as a field force, forces that are exerted on 2 or more objects over a distance
magnetic force
a force that magnets exert on eachother either attraction or repulsion
electrostatic force
a force exerted between two chargers (over a distance)
gravitational force
force if earth on an object on/near its surface
normal force =
weight
resultant force
a so for force that has the same effect of all forces acting on a object
weight is a what force
a pull force
Group 1
Alcheline Metals
Group 2
Alcheline earth metals
everything between the bottom ones thingy
transitional elements/metals
Group 17
Halogens
sublimation
straight from solid to gas
vector
a vector is a physical quantity that has size and direction and is measured in newtons
scalar
is a physical quantity that only has magnitude and does not depend on direction
force
a push or pull factor that acts in a certain direction
weight
a force that the earth exerts on an object on or near its surface
mass
the amount of matter an object holds (the mass of an object is constant throughout)
atom
bye away particle of a chemical element that can exist
element
a pure substance made up of only one kind of atom
a compound
a pure substance made of two or more different elements chemically bonded
a molecule
a pure substance made of two or more atoms chemically bonded
what are the effects of force
motion
distortion
direction
rotation
