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# Forces

TermDefinition
1) Force a push or pull on an object
2) Net force combined forces on an object
3) Unbalanced forces forces acting on an object that aren’t balanced
4) Balanced forces forces acting on an object that are balanced
5) Newtons units to measure force
6) Friction a force where two surfaces exert one another
7) Static friction friction that acts on objects that aren’t moving
8) Sliding friction friction when two solid surfaces slide against each other
9) rolling friction when an object rolls against another object
10) Fluid friction when a solid object moves through a fluid
11) Gravity a force that pulls objects towards each other
12) Mass the amount of matter in an object
13) Weight the gravity on an object on the surface of a planet
14) Free fall when the only force acting on an object is gravity
15) Air resistance a type of fluid friction that acts on object flowing through the air
16) Projectile an object that is thrown
17) Compression an elastic force that squeezes or pushes
18) Tension an elastic force that stretches or pulls
19) Inertia an object’s tendency to resist change in motion
20) Momentum the quantity of motion
21) The Law of Conservation of Momentum without outside forces, objects that interact will have
22) Satellite any object that orbits another object in space
23) Centripetal force any force that causes an object to move in a circular motion
Created by: dguerra621030