3Q Final Review (PS)

The speed of an object in a particular direction 

• speed
• motion
• velocity 
• static friction 

The energy of an object due to its motion 

• potential energy
• kinetic energy
• mechanical energy
• chemical energy 

The force between two surfaces in contact and at rest 

• velocity
• potential energy
• static friction
• kinetic friction 

1/2mv²

• kinetic energy
• potential energy
• force
• mass

mass x gravity x height 

• potential energy
• acceleration
• kinetic energy
• force

the object's change in position relative to a reference point 

• acceleration
• speed
• motion
• force 

a force that opposes motion 

• acceleration
• friction
• mechanical energy
• inertia 

Number of molecules or atoms in a chemical equation; listed in front; can be changed to balance equation 

• subscript
• atom
• molecule
• coefficient 

A reaction in which a single compound breaks down 

• synthesis
• decomposition
• single displacement
• double displacement 

potential + kinetic energy 

• chemical energy
• gravitational potential energy
• mechanical energy 
• inertia