Constant Speed Vs. Acceleration Question Preview (ID: 35263)


Understand The Nature Of Motion. TEACHERS: click here for quick copy question ID numbers.

Acceleration is . . .
a) speeding up or slowing down.
b) changing direction.
c) traveling the same distance during every time interval.
d) speeding up, slowing down, or changing direction.

A ball rolls along the floor. After making a position vs. time graph you can use the slope of your line to determine the ball's __________.
a) acceleration due to gravity.
b) average velocity.
c) momentum.
d) average acceleration.

You take a trip that covers 240 kilometers and takes 4 hours. Your average speed is ____.
a) 0.0167 km/h
b) 244 km/h
c) 60 km/h
d) 960 km/h

A race car's velocity increases from 7.0 m/s to 42 m/s over a 7.0 s time interval. What is its average acceleration?
a) 5 m/s2
b) 1 m/s2
c) 6 m/s2
d) 7 m/s2

A car is traveling down I-85, it travels 50 miles during the first hour, 50 miles in the second hour and 50 miles in the third hour. Its acceleration is ____.
a) 50 mi/h2
b) 50 mi/h
c) 0 mi/h
d) 0 mi/h2

What is the speed of an object at rest?
a) 0 m/s2
b) 0 m/s
c) 9.8 m/s2
d) 9.8 m/s

Suppose that an object is moving with a constant velocity. The acceleration must be
a) a constant non-zero number.
b) constantly increasing.
c) constantly decreasing.
d) equal to zero.

An object is slowing down when its velocity and acceleration are ___________.
a) in the same direction.
b) in opposite directions.
c) equal.
d) zero.

Which is the correct unit for acceleration?
a) m/s
b) m/s2
c) m
d) m/s3

Which is the variable for displacement?
a) x
b) v
c) a
d) t

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