Force and Motion Vocabulary

Front

Mechanical Advantage

Back

A measure of the force amplification achieved by using a tool, mechanical device or machine system.

Tags

NGSS.MS-ETS1-2

Front

Speed

Back

The time rate at which an object is moving along a path

Tags

NGSS.MS-PS3-1

Front

Reference Point

Back

A place or object used for comparison to determine if something is in motion

Front

Velocity

Back

The rate and direction of an object's movement.

Tags

NGSS.MS-PS3-1

Front

Net Force

Back

The vector sum of all the forces that act upon an object.

Tags

NGSS.MS-PS2-2

Front

Unbalanced Force

Back

Forces applied to an object in opposite directions that are not equal in size

Tags

NGSS.MS-PS2-2

Front

Balanced Force

Back

When two forces act upon each other in opposite directions, and they are both the same size.

Tags

NGSS.3-PS2-1

Front

When two objects interact, they apply forces to each other of equal magnitude and opposite direction.

Back

3rd Law of Motion

Tags

NGSS.MS-PS2-1

Front

A body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

Back

1st Law of Motion

Front

The time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it.

Back

2nd Law of Motion