Change in Motion - Acceleration

Which of the following is NOT an example of acceleration?

• Speeding up

• Slowing down

• Changing direction

• Maintaining a constant speed

What is the correct equation for acceleration?

• acceleration = distance / time

• acceleration = time / distance

• acceleration = velocity / time

• acceleration = time / velocity

A ball is at rest until it is kicked. It reaches a speed of 8 m/s in 2 seconds. What is its acceleration?

• 4 m/s

• 4 m/s²

• -4 m/s

• -4 m/s²

The slope of the line in a velocity vs. time graph is equal to

• Velocity

• Speed

• Time

• Acceleration

Tags

NGSS.MS-PS3-1

If an object is speeding up, it will have ____________ acceleration

• positive

• negative

• zero

If an object is slowing down, it will have ____________ acceleration

• positive

• negative

• zero

If an object is maintaining a constant speed, it will have ____________ acceleration

• positive

• negative

• zero

The ball that was moving at 8 m/s slows down and comes to a stop in 4 seconds. What is its acceleration?

• 2 m/s

• -2 m/s

• 2 m/s²

• -2 m/s²

Tags

NGSS.MS-PS2-2