WorksheetsFrame of Reference and Motion
Total questions: 20
Worksheet time: 34mins
If a car passes you going 90 km/hr north while you are driving 80 km/hr north, how fast is the car moving relative to your car
170 km/hr N
170 km/hr S
10 km/hr S
10 km/hr N
The best reference points are stationary (not moving).
true
false
A baseball pitcher is warming up as he travels to a game by plane. The plane is flying at 250 m/s North relative to the ground. The pitcher throws the ball at 50 m/s South relative to the airplane. What is the ball’s velocity relative to the ground?
200 m/s South
200 m/s North
250 m/s South
250 m/s North
The SI (metric) unit for length or distance is
foot (ft)
inch (in)
mile (mi)
meter (m)
The speedometer on your car tells you
compass direction
density
average speed
instantaneous speed
The SI Metric) unit for time is
second (s)
minute (min)
hour (hr)
year (yr)
A quantity that is fixed, or unchanging is called
constant
variable
initial velocity
scalar
The distance traveled by a moving object per unit of time is called
speed
velocity
acceleration
force
The formula for calculating speed is
distance X time
time / distance
distance / time
velocity / 2
Jaden travels 300 km in 5 hrs. Find his average speed in km/h
60 km/hr
1500 km/hr
295 km/hr
305 km/hr
The speed of an object at one instant time is?
instantaneous speed
distance
What is our most common frame of reference?
the sun
the moon
the Earth
Mars
How many meters are in a kilometer?
0.1
10
100
1000
Which of the following would be a valid unit for speed?
seconds/mile
centimeters
meters/second
kilometers
In the "Walk in the Park Lab", which of the following had the highest speed?
slow motion walking
normal walking
fast walking
Round 18.53 to the nearest tenth.
18
19
18.5
18.6
