Speed, Velocity, Acceleration

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What term describes changes in speed, direction, or both?

Back

Acceleration

Front

True or False: If you slow down on your bicycle, you are accelerating.

Back

TRUE

Front

True or False: Changing the speed and changing the direction of your bicycle are both examples of acceleration.

Back

TRUE

Front

What occurs when an object speeds up, slows down, or changes direction?

Back

Acceleration

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 the unit of measurement for speed in the metric system?

Back

Meters per second (m/s) or kilometers per hour (km/h).

Front

What is the unit of measurement for acceleration?

Back

Meters per second squared (m/s²).

Front

If a car travels 100 meters in 5 seconds, what is its speed?

Back

Speed = 100 meters / 5 seconds = 20 m/s.

Front

What does a positive acceleration indicate?

Back

An increase in speed.