Unit 3 Force and Motion

What is speed?

• Speed is how far something travels in one hour.
• Speed is how fast it takes something to travel a set distance
• Speed is the distance something travels in a set amount of time.
• Speed is the change in velocity of something.

Tags

NGSS.MS-PS3-1

When an object's distance from another object is changing, the object is .... 

• under pressure.
•  in motion
• not moving.
• changing reference point.

Tags

NGSS.MS-PS3-2

Which graph shows an object that is not moving?

• A
• B
• C

What is the speed of an object that travels 60 meters in 4 seconds? Remember: S=d/t

• 240 m/s
• 15 m/s
• 0.067 m/s
• 15 mph

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

Tags

NGSS.MS-PS3-1

How long did it take this object to travel 10 m?

• 0 s
• 10 s
• 15 s
• 20 s

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

A bus travels 20 km in 30 minutes.  What is the average speed of the bus? Hint: You must convert minutes in the form of an hour.

• 20 km/h
• 30 km/h
• 40 km/h
• 50 km/h

Some students were investigating the speed of a toy car they built.  They performed two trials and recorded their data in the table below.
What was the average speed of the toy car during the two trials to the nearest tenth of a m/s? Remember S=d/t

• .7 m/s
• 1.4 m/s
• 12.6 m/s
• 113.4 m/s

Tags

NGSS.MS-PS3-1

Which position does the ball have both the greatest kinetic energy and the least potential energy?

• Position 1

• Position 2

• Position 3

• Position 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5