Physical Science - Unit 3 (Forces) Vocabulary

A net force acting on an object causes the object to accelerate in the direction of the force.

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Conservation of Momentum

Tags

NGSS.MS-PS2-2

The SI unit of Force

• Kilograms

• Seconds

• Pounds

• Newtons

A force that opposes motion between two surfaces that are in contact.

• Friction

• Newton's Third Force

• Drag

• Negative Velocity

The source of friction (areas were small bumps stick together)

• Static charges

• Static friction

• Microwelds

• Microscopes

Friction that acts on objects that are not moving.

• Stationary

• Static

• Sliding

• Teflon

Type of friction that occurs when two solid surfaces slide over each other.

• Sliding

• Slipping

• Scooting

• Static

Friction that occurs when an object rolls over a surface.

• Sliding

• Rolling

• Round

• Bearing

Force that opposes the motion of objects that move through the air.

• Air Force

• Air Friction

• Air Resistance

• Air Compression

When the force of a falling object is equal to its air resistance and an object no longer speeds up any further.

• Maximum velocitude

• Point break

• Equilibrium

• Terminal Velocity

states that any two masses exert an attractive force on each other, the amount of which depends on the mass of the two objects and the distance between them

• Newton's First Law

• Newtons' Second Law

• Newton's Third Law

• Newton's Law of Universal Gravitation

Tags

NGSS.MS-PS2-4