Velocity, Acceleration, F=mxa

Speed = _______________

• Distance + time

• Distance – time

• Distance x time

• Distance / time

Tags

NGSS.MS-PS3-1

This occurs when an object speeds up, slows down, or changes direction.

• Speed

• Velocity

• Acceleration

Another way to explain the speed and direction of a object would be to describe it’s ________

• Speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS3-1

Velocity = _______________

• Speed – direction

• Speed + direction

• Speed x direction

• Speed / direction

Avery likes to walk 30 feet in 10 seconds. What is her speed?

• 3 feet/sec
• 6 feet/sec
• 10 feet/sec
• 2 feet/sec

What is the definition of velocity?

• A force that opposes motion
• Uniform circular motion
• The speed of an object in a particular direction

Tags

NGSS.MS-PS3-1

If you slow down on your bicycle, you accelerate.

• TRUE
• FALSE

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Changing the speed and changing the direction of your bicycle are both examples of acceleration.

• TRUE
• FALSE

You ride your bike around the block at a constant speed of 11 km/h.

• Acceleration occurred because speed increased.
• Acceleration occurred because speed decreased.
• Acceleration occurred because you changed directions.

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