Speed
Velocity and Acceleration
Other physics from 8th grade.
200

What is the formula for speed?


Distance ÷ Time

200

what is the formula for velocity?

Distance ÷ Time (with direction)

200

What is net force?

The combination of all forces on an object

500

Why is 4 mph biking to school speed but 4 m/s running in a cage velocity?

One has no direction

500

Finish the sentence: Speed in a given direction is...

Velocity

500

Which is not a velocity unit?

mph

500

An average of all speeds over a given time is..

Average speed

500

Finish the sentence: Change in speed or velocity over time (speeding up, slowing down, changing direction) is...

Acceleration

500

What is friction?

The force that opposes sliding motion between two surfaces

700

Which is not a speed unit?

Miles

700

Why is a child biking in circles acceleration even at constant speed? 

Change in direction

700

What is net force?

 The combination of all forces on an object

1000

The change in distance over a specific amount of time is called..

speed

1000

Speed in a given direction is...

Velocity

1000

Why is a ball falling from a tree unbalanced forces?

 Net force causes acceleration