Newton's laws of motion

Front

What is Newton's 1st Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Front

What is Newton's 2nd Law of Motion?

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F=ma).

Front

What is Newton's 3rd Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

What is a free body diagram?

Back

A graphical representation that shows all the forces acting on an object.

Front

What is weight force?

Back

The force exerted by gravity on an object, calculated as mass times the acceleration due to gravity (W=mg).

Front

What is normal force?

Back

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

Front

What is frictional force?

Back

The force that opposes the motion of an object in contact with a surface.

Front

What is tension force?

Back

The pulling force transmitted through a string, rope, or cable when it is pulled tight.

Front

What happens to an object's acceleration if the net force acting on it is doubled?

Back

The acceleration also doubles.

Front

What happens to an object's acceleration if the net force acting on it is tripled?

Back

The acceleration triples.