WorksheetsMotion-Physical Science
Total questions: 46
Worksheet time: 2hrs 18mins
The rate of change in velocity; how quickly velocity is changing
speed
velocity
resultant speed
acceleration
The unit for acceleration is
m2/s
m/s
m/s2
m/s3
For acceleration, what quantity tells the direction of an object?
distance
time
velocity
If velocity and acceleration are in the same direction an objects ____________.
speeds up
slows done
stops
turns
If velocity and acceleration are in the opposite direction, the object _________.
stops
none
slows down
speeds up
Acceleration due to gravity is 9.0 m/s2
True
False
In which of the following conditions does the car not accelerate?
A car moves at 80 km/h on a flat, straight highway
the car slows down from 80 km/h to 35 km/h
the car turns acorner
the car speeds up from 35 km/h to 80 km/h
In any collision, the ____________ is always conserved.
total momentum
total speed
total velocity
energy
What is the speed of a runner who runs 400 meters in 40 seconds?
10 meters/second
40 meters/second
100 meters/second
1,600 meters/second
