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Reynolds Semester 1 Physics Final Review

Total questions: 107

Worksheet time: 2hrs 28mins

Name
Class
Date
1.
Motion means an object changes its position relative to a reference point over time.
a)
True
b)
False
2.

Scalar quantities are quantities that have magnitude and direction, for example: speed

a)
True
b)
False
3.
The displacement and distance traveled do not have to be the same, because distance is how far the object move from the reference point while displacement is the shortest distance from reference point
a)
True
b)
False
4.
Look at the picture: the distance is the red line and the displacement is the gray line
a)
True
b)
False
5.
Look at picture is given! This object moves from A to B to C and finally to D. The right statement about distance and displacement …
a)
A. Distance = 24 m, displacement = 8 m
b)
B. Distance = 20 m, displacement = 24 m
c)
C. Distance = 16 m, displacement = 8 m
d)
D. Distance = 24 m, displacement = 0
6.
If the blue line in the picture represent 100 km and the green one represent 35 km, define distance and displacement of an object move along the blue path!
a)
Distance 35 km and displacement 100 km
b)
Distance 135 km and displacement 0 km
c)
Distance 100 km and displacement 35 km
d)
Distance 100 km and displacement 100 km
7.
A boy travelled from point A to D. He walked 20 m from A to B, then 30 m from B to C. After that he turned back 15 m from C to D. The right statement about distance and displacement is…
a)
A. Distance = 65 m, displacement = 65 m
b)
B. Distance = 65 m, displacement = 35 m
c)
C. Distance = 35 m, displacement = 65 m
d)
D. Distance = 35 m, displacement = 35 m
8.
A Skier start skiing from point A and move to B, and he turn back to C then go back to D. The distance and displacement of these movement is ...
a)
A. Distance = 420 m, displacement = 140 m
b)
B. Distance =140 m, displacement = 420 m
c)
C. Distance = 180 m, displacement = 140 m
d)
D. Distance = 140 m, displacement = 140 m
9.
A car moved 30 m in 20 seconds. The speed of car is…
a)
A. 0.66 m/s
b)
B. 1. 20 m/s
c)
C. 1.5 m/s
d)
D. 2.5 m/s
10.
A snail takes 5.0 s to crawl across the ruler until 10 cm, the speed of snail is...
a)
B. 2.0 cm/s
b)
A. 2.5 cm/s
c)
C. 1.5 cm/s
d)
D. 1 cm/s
e)
Option 5
11.
Clifton can walk 120 m with 2 m/s of speed. Time taken in this motion is…
a)
A. 2 minute
b)
B. 1.5 minute
c)
C. 1 minute
d)
D. 0.5 minute
12.
A snake slithered across the sidewalk in between two sign posts. At the first sign post its speed was 1.2 m/s. At the second sign post its speed was 1.2 m/s. The correct statement is …
a)
A. The snake changing its velocity when it passes in every sign post
b)
B. The snake moves in constant velocity along each sign post
c)
C. The snake has some rest time in each sign post
d)
D. The snake doesn’t know what to do with the sign post
13.
An object can be moving for 10 seconds and still have zero displacement.
a)
True
b)
False
14.

An airplane accelerates down a runway at 3.1 m/s/s
for 8 s until it finally lifts off the ground.
Determine the velocity at take-off.

a)

64 m/

b)

2.5 m/s

c)

0 m/s

d)

24.8 m/s

15.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
16.
Describe the motion
a)
Slow to fast;   Negative direction
b)
Fast to slow;   Negative direction
c)
Fast to slow;   Positive direction
d)
Slow to fast;   Positive direction
17.

You toss a ball straight upward, in the positive direction. The ball falls freely under the influence of gravity.

At the highest point in the ball’s motion,

a)

its velocity is zero and its acceleration is zero.

b)

its velocity is zero and its acceleration is positive (upward).

c)

its velocity is zero and its acceleration is negative (downward).

d)

its velocity is positive (upward) and its acceleration is zero.

e)

its velocity is positive (upward) and its acceleration is zero.

18.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
19.
In the absence of air resistance, objects fall at constant 
a)
speed
b)
velocity
c)
acceleration
d)
all of the above
20.

A car is traveling at 20.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 

a)

50 m

b)

4 m

c)

100 m

d)
158 m
21.

A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be:

(Upward is positive)

a)

19.6 m/s

b)

-5.4 m/s

c)

-45.0 m/s

d)

45.0 m/s

22.

Which of the following is an example of a velocity?

a)

35 meters East

b)

22 m/s

c)

40 mph West

d)

12 m/s2

23.

A hacky sack is thrown up into the air with an initial velocity 2 m/s. What maximum height does the hacky sack reach?

a)

0.15 m

b)

0.46 m

c)

0.20 m

d)

1.8 m

24.

What is the acceleration of the object at t=5 seconds?

a)

0 m/s2

b)

4 m/s2

c)

0.8 m/s2

d)

1.25 m/s2

25.

A bowling ball is dropped. As it falls, the acceleration of the bowling ball

a)

decreases

b)

increases

c)

remains the same

26.

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

a)

No forces are missing

b)

The normal force from the table pushing the cup up.

c)

The normal force form the table pushing the cup down.

d)

The friction force from the table pushing the cup left and right.

27.

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

a)

The normal force is exactly 15

b)

The normal force is less than 15

c)

The normal force is more than 15

d)

The normal force is -10

28.

The hockey puck is moving at a constant velocity across the ice. What forces does the puck experience at this moment?

a)

None

b)

Gravity

c)

Gravity and Normal

d)

Gravity, Normal, and Friction

e)

Gravity, Normal, Friction, and Applied

29.

The hockey puck is moving at a velocity of 20 m/s. If the forces on the puck are in equilibrium, what will the puck's velocity be 2 seconds later?

a)

0 m/s

b)

1 m/s

c)

2 m/s

d)

10 m/s

e)

20 m/s

30.

Which equation would accurately describe the forces on this cup of coffee?

a)

Fn  Fg = 0F_n\ -\ F_g\ =\ 0

b)

Fn×Fg = 0F_n\times F_g\ =\ 0

c)

Fn10FgF_n-10F_g

d)

FnFg = 10F_n-F_g\ =\ -10

31.

The forces on this chandelier are...

a)

Gravity

b)

Gravity and Normal

c)

Gravity and Tension

d)

Gravity, Tension, Friction, and Applied

32.

A chandelier is hanging from the ceiling. If the force of gravity on the chandelier is 120 N, the force of tension must be ...

a)

0 N

b)

12 N

c)

60 N

d)

120 N

33.

A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...

a)

Forces are always balanced

b)

the squirrel is not accelerating

c)

squirrels are projectiles

d)

he's eating a donut

34.

A squirrel sits on the ground and eats a donut. If the ground pushes up on the squirrel with a force of 11 N, The squirrel and donut together weigh ...

a)

less than 11 N

b)

Exactly 11 N

c)

More than 11 N

35.

The car in the picture is moving at a constant velocity. What forces does the car experience? (Ignore air resistance)

a)

Gravity

b)

Gravity and Normal

c)

Gravity, Normal, and Friction

d)

Gravity, Normal, Friction, and Applied

36.

The Car in the picture is moving to the right at a constant velocity. Any friction present would be pushing the car to the ...

a)

Up

b)

Right

c)

Down

d)

Left

37.

Two books rest on the same table. Book A weighs 20 N. Book B has a mass of 3 kg. Which one has a greater force of gravity on it? (HINT: F=m*a)

a)

The same

b)

Book A

c)

Book B

38.

A man pushes a box across the floor at a constant velocity. There is a force on the box pulling it toward the center of the earth. This is called the

a)

force of gravity

b)

normal force

c)

friction force

d)

applied force

39.

A man pushes a box across the floor at a constant velocity. There is a force on the box from the floor pushing the box up. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

40.

A man pushes a box across the floor at a constant velocity. There is a force on the box resisting its motion. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

41.

A man pushes a box across the floor at a constant velocity. There is a force from the man pushing on the box. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

42.

A man pushes a box across the floor at a constant velocity. If another box were put on top of this box, what would happen to the force of friction?

a)

It would increase

b)

It would decrease

c)

It would remain unchanged

43.
A horse gallops around a circular arena.  The centripetal force on the horse is ___.
a)
directed outward
b)
tension
c)
directed toward the center of the arena
d)
9.8 N
44.
When an object is in circular motion it is constantly changing its velocity.
a)
True
b)
False
45.

A car is rounding a bend as shown in the diagram. Which arrow correctly shows the direction of the cars velocity?

a)

A

b)

B

c)

C

d)

D

46.

A car is rounding a curve as shown in the diagram. Which arrow correctly shows the direction of the centripetal force keeping the car in circular motion?

a)

A

b)

B

c)

C

d)

D

47.

If car A and car B are both traveling at the same speed, which will require a higher centripetal force?

a)

Car A

b)

Car B

c)

They have the same centripetal force

48.
Which represents the acceleration of the ball?
a)
A
b)
B
c)
C
d)
D
49.

Where is the net force when the rollercoaster is at the top of the loop?

a)

Towards the Right

b)

Towards the Left

c)

Towards the Ground

d)

Towards the Sky

50.

A record spins at 60 rpm (revolutions per minute), which is an angular velocity of about 3 meters per second. What is the approximate linear velocity of a fly that sits on the record, 10 cm from the center? Use 3 for Pi.

a)

3 m/s

b)

0.3 m/s

c)

0.6 m/s

d)

1 m/s

51.

An object moves in a circular path at a constant

speed. Compare the direction of the object's velocity

and acceleration vectors.

a)

Both vectors point in the same direction.

b)

The vectors point in opposite directions.

c)

The vectors are perpendicular.

d)

The question is meaningless, since the

acceleration is zero.

52.

When an object experiences uniform circular

motion, the direction of the net force is:

a)

in the same direction as the motion of the object.

b)

in the opposite direction of the motion of the

object.

c)

is directed toward the center of the circular path.

d)

is directed away from the center of the circular

path.

53.

Is it possible for an object moving with a constant

speed to accelerate? Explain.

a)

No, if the speed is constant then the

acceleration is equal to zero.

b)

No, an object can accelerate only if there is a

net force acting on it.

c)

Yes, although the speed is constant, the

direction of the velocity can be changing.

d)

Yes, if an object is moving it is experiencing

acceleration

54.

At the position shown in the diagram, which arrow indicates the direction the instantaneous (tangential) velocity of the cart?

a)

A

b)

B

c)

C

d)

D

55.

A pilot experiences centripetal acceleration of 20 N of force while maneuvering a loop at a speed of 10 m/s.  What is the radius of the loop? The pilot has a mass of 80 kg.

a)

80 m

b)

400 m

c)

100 m

d)

200 m

56.

Potential energy depends on the ________ and ________ of the object.

a)

Height (position)

b)

Mass

c)

Speed

d)

Friction

57.

What is the mass of a bicycle that traveling at a velocity of 10 m/sec if the kinetic energy is 1000 J?

a)

50 kg

b)

10 kg

c)

20 kg

d)

2 kg

58.

Which is the correct unit for expressing gravitational potential energy?

a)

Joule

b)

Newton

c)

m/s2

d)

meter

59.

Which of the following is the correct equation for calculating an object's gravitational potential energy?

a)

PE = mgh

b)

PE = mg / h

c)

PE = mg + h

d)

PE = gh

60.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
61.

A 50.0 kg wolf has a kinetic energy of 2500 J. What is the velocity of the wolf?

a)

50 m/s

b)

5 m/s

c)

10 m/s

d)

250 m/s

62.

Calculate the potential energy of a rock with a mass of 50 kg while sitting on a hill that is 3 m high. Assume gravity is 10 m/s^2.

a)

1500 J

b)

150 J

c)

500J

d)

30 J

63.

What is the energy due to motion?

a)

Kinetic Energy

b)

Potential Energy

64.

What is the energy due to Position?

a)

Kinetic Energy

b)

Potential Energy

65.

What is the standard unit you measure Energy in?

a)

grams

b)

meters

c)

meters/second2

d)

Joules

66.

The equation ____ Energy = mass x gravity x height is used to find which type of energy?

a)

Kinetic Energy

b)

Potential Energy

67.

The equation _____ Energy = 1⁄2 mass x velocity2 is used to find which type of energy?

a)

Kinetic Energy

b)

Potential Energy

68.

energy is the energy an object has because of its motion.

a)

Kinetic

b)

Potenial

c)

Chemical

d)

Magnetic

69.

energy is stored energy due to position.

a)

Kinetic

b)

Potential

c)

Chemical

d)

Magnetic

70.

Energy stored in chemical bonds is called .

a)

elastic potential energy

b)

chemical potential energy

c)

kinetic energy

d)

none of these

71.

Which of the following is not used to calculate potential energy?

a)

mass

b)

gravitational acceleration

c)

height

d)

velocity

72.

Work and energy are both measured in .

a)

joules

b)

N

c)

ºC

d)

j/kg

73.

The kinetic energy of an object increases as its increases.

a)

height above Earth

b)

speed

c)

potential energy

d)

volume

74.

Force applied through a distance

a)

Work

b)

Efficiency

c)

Joule

d)

Mechanical Advantage

75.

The variable that responds to the changes in the other variable is the ___ variable.

a)

Independent

b)

Dependent

c)

Constant

d)

Control

76.

The variable that the experimenter (or you) control is the ___ variable.

a)

Independent

b)

Dependent

c)

Constant

d)

Control

77.

Which variable always goes on the y-axis (vertical)?

a)

Independent

b)

Dependent

c)

Constant

d)

Control

78.

Which variable always goes on the x-axis (horizontal)?

a)

Independent

b)

Dependent

c)

Constant

d)

Control

79.

What is the independent variable on this graph?

a)

Year

b)

Number of Visitors

c)

Visitors to a Park

d)

none of these

80.

What is the dependent variable on this graph?

a)

Year

b)

Number of Visitors

c)

none of these

81.
In which year did exactly 60 students have scholarships?
a)
2010
b)
2011
c)
2012
d)
2013
82.
What is this graph showing you?
a)
The worlds population is staying the same.
b)
The worlds population is going down (decreasing).
c)
The worlds population was growing but now is decreasing.
d)
The worlds population has been growing and will continue to grow. 
83.
What is the general trend of this line graph?
a)
The more you mow, the less money you make.
b)
You make the same amount of money regardless of how long you mow.
c)
The more you mow, the more money you make.
d)
Mowing is dangerous.
84.

Which month had the biggest difference between the high and low temperatures?

a)

January

b)

April

c)

October

d)

November

85.
People buy more drinks on ____ than any other day.
a)
Monday
b)
Tuesday
c)
Thursday
d)
Friday
86.
The Y axis is _______?
a)
Vertical
b)
Horizontal
c)
criss-cross
d)
diagonal
87.
The X axis is _______?
a)
vertical
b)
diagonal
c)
criss-cross
d)
horizontal
88.
How do you write an ordered pair?
a)
(X,X)
b)
(Y,X)
c)
(X,Y)
d)
(Y,Y)
89.
About when is the ball 900 cm high?
a)
0 second
b)
0.2 seconds
c)
0.5 seconds
d)
0.9 seconds
90.
In this graph, what are the units for slope?
a)
Dollars
b)
Compact Discs
c)
Dollars / Compact Disc
d)
Compact Discs / Dollar
91.

What is the independent variable for this graph?

a)

The Relationship between Time Spent Studying and Test Grades

b)

The effect of Time Spent Studying and Test Grades

c)

Time Spent Studying

d)

Test Grades

92.

Which variable always goes on the y-axis (vertical)?

a)

Independent

b)

Dependent

c)

Constant

d)

Control

93.

What label is along the y-axis in this graph?

a)

Copyright 2007

b)

Lines

c)

Age in Years

d)

Number of Teens

94.

As mass decreases, gravitational force does what?


a)

Increases

b)

Changes


c)

Decreases 

d)

Remains the same


95.

Two factors effecting the magnitude of the force of gravity between 2 objects are...


a)

mass and distance 


b)

mass and matter


c)

distance and weight 


d)

weight and mass


96.

If I double the distance between two objects, what happens to their gravitational Force?


a)

4x bigger


b)

2x bigger


c)

4x smaller


d)

2x smaller


97.

What happens to Gravitational force if I double both of the masses but don't change their distance?


a)

doubles


b)

4x bigger


c)

half as big


d)

4x smaller


98.

What is the gravitational force between a 140 kg tree and a 798 kg Lotus Elise Sprint that are 15 m away?


a)

6.6*10-7 N


b)

4.8*104 N


c)

3.3*10-8 N


d)

7.4*1012 N


99.

Calculate the Force of an object (mass= 5kg) moved around a circle with a radius of 1.65 m and an velocity of 3.5 m/s.


a)

28.9 N


b)

2.4 N


c)

  1. 37.1 N


d)

10.6 N


100.

Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?


a)

0.25 ms-2


b)

1 ms-2


c)

0.5 ms-2


d)

2 ms-2


101.

What's the centripetal acceleration of an object traveling 2.3 m/s around a circle of diameter 0.6 m?


a)

5 m/s2


b)

10 m/s2


c)

17.63 m/s2


d)

8.81 m/s2


102.

A bucket of water is swung over the teacher’s head in a circle with a radius of 2.2m with a centripetal acceleration of 2.0 m/s2. Calculate the tangential velocity of the bucket.


a)

1.81 m/s


b)

2.09 m/s


c)

4.4 m/s


d)

.91 m/s


103.

A dad accidentally swings his daughter around in a circle on a swingset. The swing has a length of 5m and she moves at 12 m/s2. At any point, what is her tangential velocity?


a)

7.7 m/s


b)

2.4 m/s


c)

60 m/s


d)

12 m/s


104.

On a roller coaster, where is maximum kinetic energy?


a)

When going around a corner


b)

At the top of a big hill


c)

At the bottom of a big hill


d)

When going upside down


105.

Energy of motion is which type of energy?


a)

Potential


b)

Kinetic


c)

Gravitational


d)

Sound

106.

Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound

a)

A working flashlight used to light up a dark corner.


b)

A projector displaying a diagram on the screen.


c)

A pencil sharpener plugged into a wall outlet.


d)

A triple beam balance measuring an object’s mass.


107.

Energy is stored in the ___ of an atom.


a)

proton


b)

electron cloud


c)

neutron


d)

nucleus