Acceleration Pre-Quiz

Acceleration: is the rate of change in ___________.

• speed

• distance

• velocity

• displacement

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.HS-PS2-1

Acceleration only takes place when things speed up. 

• True
• False

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NGSS.HS-PS2-1

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?

• 0 m/s
• 40 m/s²
• -40 m/s²
• 40 m/s

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NGSS.HS-PS2-1

A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?

• 0.7m/s²
• 7m/s²
• 14m/s²
• none of the above

Tags

NGSS.HS-PS2-1

The SI unit for acceleration is

• mph
• ft/sec²
• m/s²

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NGSS.HS-PS2-1

When are you undergoing an acceleration in a car? 

• speed up
• slow down
• make turns
• All of the above 

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NGSS.HS-PS2-1

Which graph represents the greatest acceleration?

• A
• B
• C
• D

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NGSS.HS-PS2-1

Changes in our speed, direction or both are called _________.

• gravity
• changes
• acceleration
• displacement

Tags

NGSS.HS-PS2-1