8.6A and 8.6B Flashcard

Front

What is the equation to calculate speed?

Back

speed = distance/time

Front

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

Back

10 m/s

Front

When forces are ___________ the object will move.

Back

unbalanced

Front

65mi/hr South is an example of...

Back

Velocity

Front

The motorcycle slowed down as it approached the yield sign. This is an example of

Back

acceleration

Front

What is the definition of speed?

Back

Speed is the distance traveled per unit of time.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity over time.

Front

What happens to an object when balanced forces act on it?

Back

The object remains at rest or continues to move at a constant velocity.

Front

What is the unit of speed in the metric system?

Back

Meters per second (m/s).