Motion Pre-Test

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

Tags

NGSS.HS-PS2-1

This term describes the distance traveled in a specific amount of time. You can calculate it by dividing the distance by time.

• velocity

• acceleration

• speed

• force

This term describes an object's speed AND direction.

• speed

• velocity

• acceleration

• net force

If a lizard can run 8 m across the water in 4 seconds, how fast is he traveling?

• 32 m/s

• 2 m/s

• 2 seconds

• 34 meters

Tags

NGSS.MS-PS3-1

What is this an example of?

"Rocky is running 8mph North"

• Speed

• Velocity

• Acceleration

What is your average speed if you take 2 hours to jog 1,600 meters?

• 400 m/h

• 1600 m/h

• 3200 m/h

• 800 m/h

If the average speed of a car is 100 km/h, how long will it take the car to travel 700 km?

• 10 hours

• 70 hours

• 7 hours

You ride your bike in a straight line at a constant speed of 10 km/h.

• Acceleration occurred because speed increased.
• Acceleration did not occur because neither speed nor direction changed.
• Acceleration occurred because you changed directions.
• Acceleration occurred because speed decreased.

Which of the following would be a good reference point to describe the motion of a dog? (select all that apply)

• the ground

• another dog running

• a tree

• the dog's collar

A roller coasters accelerates from an initial velocity of 10 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?

• 17.5 m/s²

• 240 m/s²

• 15 m/s²

• 16 m/s