Acceleration

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.

• 30 m/s
• 24 m/s²
• 9 m/s²
• 81 km/hr

Tags

NGSS.MS-PS2-2

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -7.5 m/s
• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi//hr

Tags

NGSS.MS-PS2-2

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 

Acceleration only takes place when things speed up. 

• True
• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which graph represents zero acceleration (constant velocity)?

• A
• B
• C
• D

Which graph represents the greatest acceleration?

• A
• B
• C
• D

Tags

NGSS.MS-PS2-2

Which section of the graph shows acceleration?

• AB
• BC
• EF
• FG

Tags

NGSS.MS-PS3-1

The starting speed of a car is called its speed.

• initial speed

• beginning speed

• fastest

• slowest

Tags

NGSS.MS-PS3-1

A change in speed and/or direction is called .

• speeding up

• slowing down

• velocity

• change in speed

Acceleration can be classified as _______________.

Choose all that apply.

• Speeding up

• Traveling at a constant speed

• Slowing Down

• Changing directions