Force and Motion Vocab

A push or pull upon an object.

• Gravity
• Inertia
• Force
• Motion

The force that pulls us, and everything around us, towards the earth.

• Motion
• Gravity
• Unbalanced force
• Friction

The process of moving or being moved.

• Motion
• Acceleration
• Balanced force
• Inertia

Resistance when one surface or object moves across another.

• Friction
• Inertia
• Gravity
• Force

How fast something moves over a certain distance.

• Acceleration
• Speed
• Velocity
• Kinetic Energy

Rate of motion in a specific direction.

• Velocity
• Acceleration
• Speed
• Kinetic Energy

The amount velocity changes in a certain amount of time.

• Acceleration
• Speed
• Motion
• Kinetic Energy

Something that is not moving stays still, and something moving continues going until another force affects it.

• Inertia
• Velocity
• Acceleration
• Motion

Forces that are equal in size but opposite in direction.

• Balanced force
• Unbalanced force
• Potential Energy
• Friction

When two forces acting on an object are not equal in size.

• Balanced Force
• Friction
• Velocity
• Unbalanced Force