Final Vocabulary Flashcards
speed formula
Distance/Time
speed unit
m/s
velocity
speed of motion
force
push or pull
momentum formula
mass x velocity
newtons first law
everything remains at sate until a force acts upon it
newtons second law
f=ma full metal alchemist ;)
newtons third law
for every action there is an equal and opposite reaction
conservation of momentum
momentum is kept into a system
machine
transfers energy easier
mechanical efficency
effectiveness of transferring energy to the output force
mechanical advantage
output force/input force
compound machine
two or more simple machines working together to make work easier
screw
inclined plain wrapped around a culinder
acceleration formula
a = Δv/t
instantaneous speed
speed at a particular instance in time (car dashboard)
how to calculate average speed
length/time
inertia
resistance of an object to change motion
weight vs mass
weight: pull of gravity on an object mass: measurement of what something contains
four universal forces
gravitational strong nuclear weak nuclear electromagnetic
thermal energy
total potential and kinetic energy
mechanical energy
sum of potential and kinetic energy
convection
heat transfer by movement of fluids
conduction
transfer through contact
specific heat
amount of heat per unit mass required to raise the temperature by one degree Celsius
mechanical wave
wave which oscillates matter
transverse wave
displacement is right angled to wave propagation
longitudinal wave
displacement is parallel to direction of wave
surface waves
waves that propogate on a surface
