Motion and Force 6.8B - Science

Front

What is the definition of velocity?

Back

Velocity is a description of the speed and direction of an object's motion.

Front

How do you calculate average speed?

Back

Average speed is calculated using the formula: Total Distance / Total Time.

Front

What is the average speed of a runner who completes a 100 meter dash in 10 seconds?

Back

10 m/s

Front

If a car travels 400 meters in 20 minutes, what is its speed?

Back

20 m/min

Front

What is the average speed of Jim who traveled 200 miles in 4 hours?

Back

50 mi/hr

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object.

Front

What is a vector?

Back

A vector is a quantity that has both magnitude and direction.

Front

What is the formula for calculating acceleration?

Back

Acceleration = (Final Velocity - Initial Velocity) / Time.

Front

What is the unit of speed in the metric system?

Back

The unit of speed in the metric system is meters per second (m/s).