Linear Motion TEST Review
A Day: September 29th B Day: September 30th
Linear Motion Test Review
1) Which graph shows the greatest distance traveled? D
2) Which graph(s) shows zero displacement? A D
3) Which graph(s) show that the object is accelerating? C D
4) Which graph(s) show an object with constant, nonzero velocity? B
5) Which graph(s) show positive velocity? B D
6) Which
graph(s) show an object moving with constant velocity? A
7) Which graph(s) show an object that accelerates? B C D
8) Which graph(s) show positive acceleration? B D
9) Which graph(s) show negative velocity? C D
The pictures below represent a ball rolling across the floor. A picture of its location was taken every second during the
trial. Describe the motion in the following pictures.
Fastest constant speed
Medium constant speed
Slowest constant speed
Decreasing velocity,
negative acceleration
Increasing velocity,
positive acceleration
A
B
C
D
E
F
G
A Day: September 29th B Day: September 30th
-6 m/s 0
1.5 m/s 0
-1 m/s -1.5 m/s 2 m/s
Linear Motion TEST Review
1. What is the velocity of the object at each of the following intervals?
2. Which intervals show the object moving at the same speed? C F
3. Which intervals show the object moving in a positive direction? C G
4. Which intervals show the object moving in a negative direction? A E F
5. How many seconds does the object spend at rest? 3 seconds
6. During which interval is the object traveling the fastest? A
7. During which interval is the object traveling the slowest? E
8. What is the total distance the object travels? 15m
9. What is the total displacement the object travels? -5 m
Practice Problems:
1. A dolphin swims 2.85 km/h. How far has the dolphin traveled after 1.6h?
a. 1.8 km b. 0.56 km
c. 4.45 km
d. 4.6 km
2. A shopping cart given an initial velocity of 2.0m/s undergoes a constant acceleration of 3.0m/s2. What is the cart’s
displacement after 6s of being in motion?
a.
0.17 m
b. 32 m
c. 66 m
d. 80 m
3. A car, initially at rest, travels 10 m in 7s along a straight line with constant acceleration. The acceleration of the car
is –
a. 0.0 m/s2
b. 0.41 m/s2
c. 2.5 m/s2
d. 1.4 m/s2
4. How long does it take a ball to fall from a roof to the ground 7.0 m below?
1.19 seconds
5. A coin is dropped in a vacuum tube, find its displacement after .30 seconds.
-.441 m
6. You throw a ball straight up into the air with an initial velocity of 20 m/s.
a. How long will it take to reach its maximum height?
2.04 seconds
b. How high does it travel before falling back to the ground?
20.4 m
Linear Motion TEST Review
A Day: September 29th B Day: September 30th
7. Draw the motion maps for the following situations. Label where the velocity equals zero, and add acceleration
vectors.
a. A ball is thrown into the air and then caught.
b. A ball is dropped from the top of a building.