Force & Motion Unit Test

__________ is the speed and direction of a moving object

• vector

• velocity

• graph

• direction

_______ a quantity that has both magnitude and direction

• velocity

• distance

• vector

• speed

When velocity is ​ (a)   the object is moving at a constant speed and its direction ​ (b)   change. If the ​ (c)   or direction of the object changes the ​ (d)   will change.

• constant
• does not
• speed
• velocity
• does
• direction
• vector

A ___________ shows how an object's position changes during each time interval.

• model graph

• time graph

• Distance-time graph

• bar graph

Find the distance that the turtle travelled from day 0 to day 3. What speed was he travelling at? (S=d/t)

• 1 km/d

• 3 km/d

• 4 km/d

• 12 km/d

A driver travels 55 km in 1 hour. He then drives at a speed of 36 km/h for 2 hours. Next he drives 174 km in 3 hours. What is his AVERAGE speed?

• 20.5 km/h

• 21.8 km/h

• 23 km/h

• 33.2

  km/h

When an object's velocity changes, the object is ________________

• declining

• accelerating

• speed

• vector

An object ______________ when its velocity changes as a result of increasing speed, decreasing speed, or changing direction.

• Vector

• Accelerates

• decreases

• friction

Pushing open the door, pulling the zipper on your backpack, push or pull on an object is ________

• motion

• force

• acceleration

• speed

A ​ (a)   is a push or a pull on one object by another object that is touching it.

• contact force
• acceleration
• gravity
• simulation