Unit 2 Pretest - Motion and Force

The speed you read on a speedometer is ____.

• instantaneous speed

• constant speed

• average speed

• velocity

3 m/s north is an example of a(n) ____.

• speed

• velocity

• time

• acceleration

A car moves around a wide turn going 45 mi/hr the whole time. The car has a constant ____.

• speed

• velocity

• direction

• acceleration

If you ride your bicycle down a straight road for 500 m then turn around and ride back to your starting point, your distance is ____ your displacement.

• greater than

• equal to

• less than

• can’t determine

Motion is a change in ____.

• time

• speed

• velocity

• position

An indicator that orients you when describing motion is called the ____.

• time

• speed

• reference point

• point of motion

How long will it take an object traveling at 25 m/s to reach a distance of 125 meters?

• 5 s

• 0.2 min

• 5 m

• 0.2 s

A high-speed train travels with an average speed of 227 km/hr. The train travels for 2 hrs. How far does the train travel?

• 113.5 km

• 454 km

• 0.0088 km

• 225 km

A cross-country runner runs 10 km in 40 minutes. What is his average speed?

• 30 km/min

• 4 km/min

• 400 km/min

• 0.25 km/min

What does the slope of a distance vs. time graph tell you?

• the total distance traveled

• the speed of the object

• the time it took for the object to travel

• the acceleration