PRETEST Force & Motion

What is a force?

• the PUSH or PULL on an object

• The MOTION an object creates

• The objects HITTING one another

• Going REALLY FAST

What is the unit for FORCE?

• N (Newtons)

• lbs (pounds)

• g (grams)

• m/s (meters per second)

If the net force is 0 the object will ...

• CHANGE its motion

• STAY the SAME, NOT Move

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

Match the description to the graph:

"The car is stopped."

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A bicycle rode 210 meters in 3 minutes. What was the speed of the bicycle?

• 630 m/min

• 70 m/min

• 7 m/min

• 7,000 m/min

Match the description to the graph:

"The car is traveling at a constant speed."

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Segment A-B The bus is _________________.

• at rest

• returning (to original position)

• moving forward

What is the equation to calculate distance?

• distance = speed/time

• distance = time/speed

• distance = speed/distance

• distance = speed x time

If the man and the ball travels 90 m in 9 seconds, what is their average speed?

• 10 m/s

• 180 m/s

• 99 m/s

• 10 meters