Speed, Velocity & Acceleration

Front

Changes in our speed, direction or both are called _________.

Back

acceleration

Front

Avery likes to walk 30 feet in 10 seconds. What is her speed?

Back

3 feet/sec

Front

Changing the speed and changing the direction of your bicycle are both examples of __________.

Back

acceleration

Front

A ____________ is a push or a pull on an object.

Back

force

Front

What will cause an object to move?

Back

Unbalanced forces

Front

Speed is defined as the distance traveled per unit of time. What is the formula for speed?

Back

Speed = Distance / Time

Front

Velocity includes both speed and __________.

Back

direction

Front

Acceleration is the rate of change of __________.

Back

velocity

Front

If a car is moving in a circle at a constant speed, is it accelerating?

Back

Yes, because its direction is changing.

Front

What is the unit of acceleration in the metric system?

Back

meters per second squared (m/s²)