The speed and direction of an object's motion.

• Inertia
• Equilibrium
• Velocity
• Acceleration

Tags

NGSS.MS-PS3-1

Any substance that reduces friction and helps moving parts move more freely.

• Oil
• Powder
• Silicone
• Lubricant

A push or pull that acts on an object.

• Force
• Gravity
• Friction
• Lubricant

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The change in position of an object.

• Acceleration
• Motion
• Equilibrium
• Unbalanced Force

The combination of different forces acting on an object at the same time.

• Net force
• Balanced force
• Equilibrium
• Unbalanced force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The state an object is in when all forces acting on it balance each other.

• Inertia
• Net force
• Equilibrium
• Velocity

Forces that are not equal in size and direction.

• Equilibrium
• Unbalanced forces
• Acceleration
• Velocity

Tags

NGSS.MS-PS2-2

The rate at which the velocity of an object changes over time.

• Acceleration
• Speed
• Direction
• Motion

A force that resists the movement of one surface past another surface.

• Acceleration
• Gravity
• Friction
• Lubricant

The tendency of an object to resist any change in motion.

• Net force
• Motion
• Momentum
• Inertia