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Worksheets2nd Six Weeks Exam
Total questions: 80
Worksheet time: 3hrs 5mins
Name
Class
Date
1.
What's Newton's 1st Law?
a)
Always eat fig"Newtons"
b)
Object in motion stays in motion
c)
Acceleration is produced when a force acts on a mass.
d)
For every action there is an equal and opposite re-action
2.
The scientific unit of acceleration is m/s.
a)
T
b)
F
3.
A speed that does not change is called average speed.
a)
T
b)
F
4.
The slope of a speed vs time graph is equal to acceleration.
a)
T
b)
F
5.
Speed and velocity are calculated by the same mathematical equation.
a)
T
b)
F
6.
The rate at which velocity changes per unit time is called acceleration.
a)
T
b)
F
7.
When graphing motion, time is plotted on the y axis.
a)
T
b)
F
8.
Speed is ____.
a)
a measure of how fast something is moving
b)
the distance covered per unit time
c)
always measured in terms of a unit of distance divided by a unit of time
d)
all of the above
9.
One possible unit of speed is _____.
a)
miles per hour
b)
kilometers per hour
c)
light years per century
d)
all of the above
10.
When you look at the speedometer in a moving car, you can see the car's _____.
a)
instantaneous speed
b)
average speed
c)
instantaneous acceleration
d)
all of the above
11.
Suppose you take a trip that covers 240 km an it takes 4 hours. Your average speed is _____. (V=D/T)
a)
480 km/hr
b)
240 km/hr
c)
120 km/hr
d)
60 km/hr
12.
Acceleration is defined as the change in _____.
a)
position divided by the time interval
b)
velocity divided by the time interval
c)
time it takes to move from one speed to another speed
d)
time it takes to move from one place to another place
13.
A feather will fall through the air more slowly than a brick because of _____.
a)
air resistance
b)
gravity
c)
intertia
d)
momentum
14.
Any change over time is called a(n) _____.
a)
average
b)
displacement
c)
net force
d)
rate
15.
Which of the graphs in Figure 3-1 represents a car standing still?
a)
a
b)
b
c)
c
d)
d
16.
Which of the graphs in figure 3-1 represents a car moving at constant speed?
a)
a
b)
b
c)
c
d)
d
17.
Which of the graphs in Figure 3-1 represents a car moving at increasing speed?
a)
a
b)
b
c)
c
d)
d
18.
Which of the graphs in Figure 3-1 represents a decelerating car?
a)
a
b)
b
c)
c
d)
d
19.
Velocity is
a)
speed
b)
direction
c)
speed with a direction
20.
A distance vs. time graph shows an object's
a)
frame of reference
b)
speed
c)
acceleration
d)
favorite food
21.
On a distance vs. time graph, the steeper the slope _____
a)
the slower the speed
b)
the faster the speed
c)
less acceleration
d)
greater acceleration
22.
The force that pulls objects towards Earth.
a)
Gravity
b)
Friction
c)
Inertia
d)
Force
23.
Motion is the movement of an object or its change in
a)
Direction
b)
Speed
c)
Position
d)
Shape
24.
65 miles per hour North is an example of an objects what?
a)
Speed
b)
Velocity
c)
Average Speed
d)
Constant Speed
25.
When an objects position changes over time but the speed of the object does not change.
a)
Speed
b)
Velocity
c)
Average Speed
d)
Constant Speed
26.
The distance covered over time.
a)
Speed
b)
Velocity
c)
Average Speed
d)
Constant Speed
27.
What is this graph representing?
a)
Constant velocity
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
28.
In which of the following graphs (click the image) are both runners moving at the same speed (note that graph c is the bottom right graph, and graph d is the bottom left graph)?
a)
Graph A
b)
Graph B
c)
Graph C
d)
Graph D
29.
At 60 seconds, how far had this object traveled?
a)
0 m
b)
10 m
c)
20 m
d)
40 m
30.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
31.
What is happening in this graph from point B to C?
a)
The object is going down a hill.
b)
The object is returning to its starting location.
c)
The object is slowing down.
d)
The object is staying still.
32.
What is happening in this graph from point A to B?
a)
The object is accelerating.
b)
The object is not moving.
c)
The object is decelerating.
d)
The object is moving at a constant speed.
33.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
34.
Can be measured in seconds (s)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
35.
What is the speed of an object that travels 20 meters in 4 seconds?
a)
80 m/s
b)
0.2 m/s
c)
5 m/s
d)
24 m/s
36.
John took 90 minutes to bicycle to his grandmother's house, a total of six kilometers. What was his speed (pay attention to units)?
a)
540 km/hr
b)
.066 km/hr
c)
4 km/hr
d)
9 km/hr
37.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
38.
How far has the red runner gone in 3 seconds?
a)
40 yards
b)
10 yards
c)
30 yards
d)
20 yards
39.
The graph below represents
a)
Speed
b)
Velocity
c)
Acceleration
d)
Deceleration
40.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
41.
g is defined as
a)
acceleration of all objects in motion
b)
acceleration of objects moving vertically
c)
acceleration of gravity
d)
none of the above
42.
1. How far will a train moving at 5.7 km/min go in 45 minutes?
a)
256.5 km
b)
0.12 km
c)
7.89 km
43.
Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800 meters
b)
400 meters
c)
0 meters
d)
200 meters
44.
Acceleration only takes place when things speed up.
a)
True
b)
False
45.
Acceleration is defined as the CHANGE in
a)
time of motion to another place.
b)
velocity
c)
distance
d)
speed
46.
Determine the motion of the car.
a)
at rest
b)
moving at constant speed
c)
speeding up
d)
slowing down
47.
Determine the motion of the car.
a)
at rest
b)
constant velocity
c)
speeding up
d)
slowing down
48.
A car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?
a)
0.7m/s2
b)
7m/s2
c)
14m/s2
d)
none of the above
49.
A ball is thrown into the air. At the highest point, the ball has zero velocity and zero acceleration.
a)
True
b)
False
50.
As a ball falls freely, the distance it falls each second is the same.
a)
True
b)
False
51.
A train travels 6 meters in the first second of travel, 6 meters again during the second second of travel, 6 meters again during the third second. It's acceleration is __ m/s^2?
a)
0
b)
6
c)
12
d)
18
52.
A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the ’s average acceleration?
a)
0.17
b)
1.67
c)
6
d)
7
53.
In the absence of air resistance, objects fall at constant
a)
speed
b)
velocity
c)
acceleration
d)
all of the above
54.
Suppose an object is in free fall. Each second the object falls
a)
the same distance as in the second before.
b)
a larger distance than in the second before.
c)
with the same instantaneous speed.
d)
with the same average speed.
55.
Consider drops of water leaking from a water faucet. As the drops fall they
a)
remain at a relatively fixed distance from each other
b)
get farther apart
c)
get closer together
56.
If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each second by
a)
about 5m/s
b)
about 10m/s
c)
about 15m/s
d)
a variable amount
57.
An object accelerates at 2 m/s^2. Assuming the object starts from rest, how much time does it need to accelerate to a speed of 16 m/s?
a)
4 s
b)
8 s
c)
16 s
d)
1/16 s
58.
The measure of the pull of gravity on an object is ___________________.
a)
motion
b)
weight
c)
speed
d)
friction
59.
Why is the speed of objects increasing during free fall?
a)
They are getting heaver
b)
They are changing the shape
c)
The gravity is pulling them down
d)
There is no air resistance
60.
The heavier objects fall to the ground more quickly than lighter objects
a)
True
b)
False
61.
The heavier objects will fall to the ground more slowly if they have greater surface area than the lighter objects
a)
True
b)
False
62.
What is the velocity of an object that has been falling freely in a vacuum for 2 seconds?
a)
9.8 m/s down
b)
10.1 m/s down
c)
19.6 m/s down
d)
39.2 m/s down
63.
All objects accelerate at the same rate due to gravity, unless air resistance affects one object more than another
a)
False
b)
True
64.
What is the velocity of an object that has been falling freely in a vacuum for 1 seconds?
a)
9.8 m/s down
b)
10.1 m/s down
c)
19.6 m/s down
d)
39.2 m/s down
65.
What is the velocity of a ball that has been dropped off a cliff after 1 , 2, 3, 4, and 5 seconds? (assume g is rounded to 10 m/s2)?.
a)
10, 20, 30, 40, 50 m/s
b)
5, 10, 15, 20, 25 m/s
c)
5, 20, 45, 80,125 m
d)
10,10,10,10,10 m/s
66.
What is the acceleration of a ball that is dropped off the side of a cliff after 1,2,3,4,5 seconds? (assume g is rounded to 10 m/s2)
a)
5,10,15, 20, 25 m/s2
b)
10, 20, 30, 40, 50 m/s2
c)
5, 20, 45, 80, 125 m/s2
d)
10,10,10,10,10 m/s2
67.
1. An object free falls for 3.5 seconds. How far does it fall?
a)
120.05 m
b)
17.15 m
c)
60.03 m
d)
34.3 m
68.
If you throw a baseball straight up, what is its velocity at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
69.
An object accelerates at 2 m/s2. Assuming the object starts from rest, how much time does it need to accelerate to a speed of 16 m/s?
a)
4 s
b)
8 s
c)
16 s
d)
1/16 s
70.
Which runner won the race?
a)
A
b)
B
c)
C
71.
Which runner had a head start?
a)
A
b)
B
c)
C
72.
At what time did runner A pass runner B?
a)
0 seconds
b)
1 second
c)
2 seconds
d)
3 seconds
73.
What type of motion does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
74.
What type of motion does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
75.
What type of motion does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
76.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
77.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
78.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
79.
What is happening at B?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
80.
Every morning, Tom walks along a straight road from his home to the bus stop. Below, is a graph representing Tom’s trip to school.
- What is the distance covered through the second segment, which is between 50 seconds, and 70 seconds?
- What is the distance covered through the second segment, which is between 50 seconds, and 70 seconds?
a)
40 meters
b)
60 meters
c)
80 meters
d)
20 meters
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