Motion: Question Preview (ID: 18439)

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When an object's distance from another object is changing,
a) it is in motion
b) it is moving at constant speed
c) it has a high velocity
d) it is accelerating

A place or object used for comparison to determine if something is in motion is called
a) a position
b) a reference point
c) a constant
d) velocity

speed equals distance divided by
a) time
b) velocity
c) size
d) motion

When you know both the speed and direction of an object's motion, you know the
a) average speed of the object
b) acceleration of the object
c) distance the object has traveled
d) velocity of the object

Average speed is
a) equivalent to velocity
b) the rate at which an object is moving at a given instant.
c) the rate at which a slope changes
d) the total distance traveled divided by the total time.

If you know the distance an object has traveled in a certain amount of time, you can determine
a) the size of the object
b) the speed of the object
c) the location of the object
d) the acceleration of the object

If the speed of an object does NOT change, the object is traveling at a
a) constant speed
b) average speed
c) increasing speed
d) decreasing speed

If a bicyclist travels 30 kilometers in two hours, her average speed is
a) 30 km/h
b) 60 km/h
c) 15 km/h
d) 2 km/h

If an object moves in the same direction and at a constant speed for 4 hours, which of the following is true?
a) The object's speed changed during the 4 hours
b) The object's velocity did not change.
c) the object accelerated during the 4 hours
d) The object decelerated during the 4 hours.

If you know a car traveled 300 kilometers in 3 hours, you can find its
a) acceleration
b) direction
c) average speed
d) velocity

A car travels 85 km in the first hour of a trip. The car continues to travel for 2 more hours and travels 200 km. What was the average speed of the car for the trip?
a) 39 km/h
b) 95 km/h
c) 115 km/h
d) 285 km/h

The rate at which velocity changes is called
a) instanteous speed
b) direction
c) acceleration
d) motion

Which of these is an example of deceleration
a) a bird taking off for flight
b) a roller coaster moving down a steep hill
c) a car approaching a red light
d) an airplane following a straight flight path.

It is rare for any motion to
a) stay the same for long
b) change quickly
c) increase in velocity
d) decrease in speed

In a graph of distance versus time, the slope represents
a) displacement
b) speed
c) acceleration
d) potential energy

The rise of a line on a distance-verus-time graph is 400 km and the run is 50 hours. What is the speed of the object represented by this graph?
a) 2000 km/h
b) 450 km/h
c) 350 km/h
d) 8 km/h

Motion is measured relative to a
a) meter
b) slope
c) reference point
d) constant speed

A place or object used for comparison to determine if something is in motion is called
a) origin
b) reference point
c) inches
d) speed

If a toy car traveling at 10 cm/s passes a toy car moving at 10 cm/s in the opposite direction, both cars have the same
a) velocity
b) direction
c) slope
d) speed

When riding a bicycle past a building, you are not moving relative to the
a) bicycle
b) building
c) street
d) water bottle

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