An inertial frame is a reference frame in which a body at rest remains at rest and a body in motion continues to move with a constant velocity in a straight line unless acted upon by an external force.

He threw a frag grenade into the enemy's bunker.

His execution of the move was frame perfect.

He executed a frame-perfect trick to skip a level.

I had to convert the mixed fraction into an improper fraction.

The nuclear fratricide resulted in the destruction of the entire city.

She fell victim to a romance fraud and lost all her savings.

She is known for her franco-centric views on art and culture.

Ben Franklin was one of the Founding Fathers of the United States.

There are many different types of framework silicates found in nature.