Speed
Velocity
forces & motion
Laws of Motion
other
100
______ of an object is the magnitude of its velocity.
speed
100
______ is the rate of change of the position of an object.
velocity
100
______ any movement or change in position or time.
motion
100
Who developed a unified theory stated in three laws?
Issac Newton
100
_______ is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
friction
200
finish spelling the word spe__
ed
200
finish spelling word velo___.
city
200
one example of natural forces.
tornado,lighting,hurricane(weather)
200
An object at rest will remain _____?
What is "at rest'
200
a ball that is not moving is what kind of energy?
potenial energy
300
______ is constant;it flows from one to another.
energy
300
who study the motion of many objects moving down incline planes.
Galileo
300
forces& ____.
motion
300
the acceleration of an object equals the force applied to the object to the object divided by the ______ of the object.
mass
300
is the tendency of an object to resist changes to its motion.
Inertia
400
conservation of _______.
energy
400
finish spelling the word gra___.
vity
400
if you push something you give it _____.
force
400
for every action force there is always an equal but opposite_____ ____.
reaction force
400
a moving object is what kind of energy?
kinetic energy
500
_______ energy
potential
500
_______ are applied only when energy conversions occur.
forces
500
phyisical ______
science
500
Newton's first law is often referred to as the ___ of Inertia.
law
500
this inward force keeps objects moving in a circular path and is known as ________________.
centripetal force
M
e
n
u