Force, Motion, Speed, and Velocity

Front

How can you describe whether an object is in motion or not?

Back

If it changes its position relative to a reference point

Front

How can you choose a reference point?

Back

The reference point must be fixed

Front

The SI unit for distance is

Back

m

Front

The SI unit for measuring speed is the ---

Back

m/s

Front

The speed of an object is defined as:

Back

Distance/Time

Front

A car travels 12m in 6 seconds. Calculate the speed of this car.

Back

2 m/s

Front

To describe an object’s ---, you need to know both its speed and its direction.

Back

velocity

Front

What is shown on the x-axis (the horizontal axis)? Options: Speed, Distance, Time

Back

Time

Front

What is shown on the y-axis (the vertical axis)? Options: Speed, Distance, Time

Back

Distance

Front

The slope of the line you obtain when you graph the distance versus the time represents the

Back

Speed