STARR

Front

Endurance

Back

The ability to keep going in spite of harsh conditions or strain.

Front

Traction

Back

The friction or grip between a moving object and the surface over which it moves.

Front

Flail

Back

To wave or swing with power or force.

Front

Hurtle

Back

To move very fast, often with noise.

Front

Acclaim

Back

Praise; enthusiastic applause.

Front

Acceleration

Back

The rate of change of velocity of an object.

Front

Friction

Back

The resistance that one surface or object encounters when moving over another.

Front

Velocity

Back

The speed of something in a given direction.

Front

Force

Back

An interaction that, when unopposed, will change the motion of an object.

Front

Kinetic Energy

Back

The energy that an object possesses due to its motion.