Newton's First Law of Motion

Front

An object at rest will remain at rest unless it is acted upon by unbalanced _____________.

Back

forces

Front

What is Inertia?

Back

The resistance to change in motion.

Front

A(n) _________________________ is a push, pull, or twist.

Back

force

Front

What is Friction?

Back

The rubbing against another object causing heat and eventually stopping the moving object.

Front

The force that causes a ball to fall to the ground is ____________________________

Back

gravity

Front

What does Newton's First Law of Motion state?

Back

An object will remain at rest or in uniform motion unless acted upon by an external force.

Front

What is an example of inertia in everyday life?

Back

A passenger lurching forward in a car when it suddenly stops.

Front

What is the relationship between mass and inertia?

Back

The greater the mass of an object, the greater its inertia.

Front

What is a balanced force?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

Forces that are not equal and cause a change in motion.