Free Body Diagram and Newton's First Law

Front

What is a Free Body Diagram?

Back

A graphical representation that shows all the forces acting on an object, illustrating the direction and magnitude of each force.

Front

What does Newton's First Law state?

Back

An object at rest will remain at rest, and an object in motion will remain in motion at a constant velocity unless acted upon by a net external force.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion; an object at rest stays at rest, and an object in motion stays in motion.

Front

What forces act on a book resting on a table?

Back

The force of gravity pulling it down and the normal force from the table pushing it up.

Front

What is friction?

Back

A force that opposes the motion of an object, acting parallel to the surfaces in contact.

Front

What is the normal force?

Back

The support force exerted by a surface perpendicular to the object resting on it.

Front

What happens to a rolling ball when friction is present?

Back

Friction slows down the ball and eventually brings it to a stop.

Front

What is a balanced force?

Back

When two or more forces acting on an object are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

When the forces acting on an object are not equal, causing the object to accelerate in the direction of the net force.

Front

What is the force of gravity?

Back

The attractive force between two masses, such as the Earth and an object, pulling it towards the center of the Earth.