11/7/24

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Acceleration is defined as the CHANGE in 

• time it takes for one place to move to another place. 
• velocity of an object.
• distance divided by the time interval 
• velocity divided by the time interval 

Tags

NGSS.HS-PS2-1

Acceleration only takes place when things speed up. 

• True
• False

In each of the following cases, determine where the car has no acceleration ?

• A car shortly after a stoplight turns green.
• A car approaching a red light
• A car with the cruise control set at 80 km/h
• A car moving down a ramp

Tags

NGSS.MS-PS2-2

As you walk you make a right turn. Do you have acceleration? 

• yes 
• no

Tags

NGSS.MS-PS2-2

A negative acceleration means that your object is _____. 

• Going to Wal-mart 
• running for president 
• speeding up 
• slowing down 

The graph shows

• positive acceleration

• negative acceleration

• constant acceleration

• increasing acceleration

Tags

NGSS.MS-PS3-1

The speed boats speed increased from 0m/s to 24m/s in a time span of 12 seconds.

• 4 m/s²
• 2 m/s²
• 8 m/s²
• 6 m/s²

John Cena’s speed increases from 15 m/s to 25 m/s as he runs downhill over a 5 second period.

• 2 m/s²
• 10 m/s²
• 8 m/s²
• 2 m/s

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If an object has a positive velocity and a positive acceleration it is...

• Speeding up

• Slowing down

• Changing direction

• Stopping