Balance
equal distribution of mass (weight)
balance
a push or pull
force
to make smaller
decrease
a pair of forces that are pushing or pulling equally
balanced forces
the force that resists slipping and sliding between two surfaces that are touching
friction
a unit used to measure mass
gram
having the same value
equal
the pulling force between objects that have mass
gravity
a unit used to measure force
Newton
the balance point for a lever
fulcrum
the movement of something from one place to another
motion
to make larger or bigger
increase
smooth, flat, and level
even
to drive or force back
repel
a measurement of how much matter, or how many particles are in an object
Mass