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Sem 2 final '24-25

Total questions: 81

Worksheet time: 1hrs 21mins

Name
Class
Date
1.
The Pythagorean Theorem is
a2 + b3 = c4
a)
false
b)
true
2.

which of the following is a vector?

a)

velocity

b)

distance

c)

position

d)

speed

3.
Which letter is a crest?
a)
F
b)
G
c)
H
d)
J
4.
Which letter is a trough?
a)
F
b)
G
c)
H
d)
J
5.
Which letter shows amplitude?
a)
F
b)
G
c)
H
d)
J
6.
Which letter identifies the wavelength?
a)
F
b)
G
c)
H
d)
J
7.
What type of wave is this?
a)
Longitudinal
b)
Transverse
c)

Electromagnetic

d)

Seismic

8.
What is the material waves travel through?
a)
Period
b)
Frequency
c)
Medium
d)
Hertz
9.
What do all waves transfer?
a)
Light
b)
Sound
c)
Heat
d)
Energy
10.
These waves have the same
a)
amplitude
b)
frequency
c)
period 
d)
wavelength
11.
Which property of these waves differs?
a)
Frequency
b)
Wavelength
c)
Amplitude
d)
Pitch
12.
A period is
a)
Amount of time it takes a wavelength to complete one cycle.
b)
How many wave lengths happen in a second.
c)
An indication of the amount of energy in a wave.
d)
The distance between two crests or two troughs.
13.

Which one of the following diagrams represents the highest FREQUENCY wave?

a)

A

b)

B

c)

C

d)

D

14.

Which one of the following diagrams represents the

longest WAVELENGTH wave?

a)

A

b)

B

c)

C

d)

D

15.
What kind of wave is pictured below?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
16.
Two waves come together and interact to form a new, smaller wave.  This process is called
a)
destructive interference
b)
constructive interference
c)
reflective interference
d)
positive interference
17.

The "power" of a machine measures...

a)

The work it does

b)

The force it produces

c)

The rate of doing work

d)

Its strength

18.
The unit used to measure work is the 
a)
Watt
b)
Newton
c)
Joule
d)
meter
19.
In which of these cases is work being done? 
a)
A student sleeps
b)
A student pushes a locked door that does not move
c)
a student carries his chair into another room
d)
A student sits on the carpet
20.
What is the unit for mass?
a)
Kilogram (Kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
21.
What is the equation for power?
a)
P = Work/time
b)
P = Force/time
c)
P = time/distance
d)
P = Work * time
22.
What is the equation for work?
a)
W = mass * acceleration
b)

W = force * displacement

c)

W = force/displacement

d)
W = speed/time
23.
The unit used to measure power is the 
a)
Watt
b)
Newton
c)
Joule
d)
Newton*meter
24.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
25.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
26.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
27.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
28.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
29.
Which point has the most potential energy?
a)
G
b)
f
c)
b
d)
a
30.
2. The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?
a)
1
b)
2
c)
3
d)
4
31.

The impulse is _____the change in momentum

a)

Greater than

b)

Equal to

c)

Less than

d)

Always double

32.
The difference between a car hitting a wall vs. a car hitting a hay stack is
a)
the Impulse on the car hitting the wall is greater
b)
the change in momentum of the car hitting the wall is greater
c)
the force on the car hitting the hay stack is greater
d)
the collision time of the car hitting the hay stack is greater
33.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
34.
Change from standard form to scientific notation:  450,000
a)
4.5  x  105
b)
45  x  105
c)
4.5  x  104
d)
4.5  x  106
35.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
36.
Which number is correctly written in scientific notation?
a)
5.67 x 105
b)
56.7 x 103
c)
0.567 x 106
d)

567,000

37.

According to Coulomb's Law, when the distance increases, the electrostatic force ____________; we call this relationship ____________ proportional.

a)

decreases; directly

b)

decreases; inversely

c)

increases; inversely

d)

increases; directly

38.

Coulomb’s law states that the force between two charged objects will __________ when the magnitude (value) of the object’s charge increases.

a)

increase

b)

decrease

c)

stay the same

d)

first increase, then decrease

39.
What variable do "Newtons" represent?
a)
Electrostatic Charge
b)
Force
c)
Distance
d)
Mass
40.
If two balloons have the same charge, what will happen if you place them close to each other?
a)
Nothing
b)
They will be attracted
c)
They will pop
d)
They will push each other away.
41.

What does the "k" represent in Coulomb's Law?

a)

charge

b)

Coulomb's Constant

c)

kilometers

d)

distance between charges

42.
If the distance between 2 charges doubles, what happens to the electrostatic force?
a)
Reduced by half
b)
Reduced by 1/4
c)
Stays the same
d)
Quadruples
43.
A balloon has a negative charge.  The glass rod has a positive charge.  What will happen when the glass rod is brought near the balloon?
a)
The balloon will be attracted to the rod
b)
The balloon will be repelled by the rod
c)
The balloon will remain in place
d)
The balloon will spin in circles
44.
Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.
a)
+,+
b)
+,-
c)
-,+
d)
-,-
45.
Which of the following is used to step voltage down to lower levels before it reaches a home or office?
a)
a. Transformer
b)
b. Generator
c)
c. Conductor
d)
d. Insulator
46.
The voltage supplied to a circuit is 17 V and the current running through is 10 A. What is the power generated?
a)
170 W
b)
170 A
c)
1.7 V
d)
1.7 W
47.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
48.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
49.
a)
Closed switch
b)
Push switch
c)
Trap door
d)
AC Power supply
50.

What is the following symbol represent?

a)

Wire

b)

Resistor

c)

Battery

d)

Switch

51.

This is an example of what type of circuit?

a)

simple

b)

series

c)

parallel

d)

none of the above

52.
A student added another light to an electrical circuit and all the lights became dimmer in the circuit.  What is most likely the cause of the dimmer lights?
a)
The batteries are weak.
b)
The circuit is a parallel circuit.
c)
The light bulbs are hot.
d)
The circuit is a series circuit.
53.
If one burned out bulb causes all of the lights to fail in a circuit, what might you conclude?
a)
It is a parallel circuit.
b)
A heavier wire is needed.
c)
It is a series circuit.
d)
More batteries are needed.
54.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
55.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
56.

What is the formula for ohms law?

a)

1+2=3

b)

R X E = I

c)

V =I x R

d)

E= MC squared

57.
At which point is the electric field the strongest
a)
A
b)
B
c)
C
d)
D
58.

Based on the arrangement of the electric field lines in the diagram, what are the charges?

a)

both charges are the same

b)

the charges are opposite

c)

they are neutral; no charge

d)

you cannot tell

59.

What does it mean when the electric field lines are close together?

a)

the field is positive

b)

the field is negative

c)

The field is strong

d)

the field is weak

60.

which is the field for opposite charges

a)
b)
c)
d)
61.

The sum of the kinetic and potential energy in a system is known as the system's _____________________ energy.

a)

mechanical

b)

chemical

c)

thermal

d)

combined

62.

What is the mechanical energy of the roller coaster car?

a)

100 joules

b)

50 joules

c)

2500 joules

d)

1 joule

63.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
64.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
65.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
66.
What is the net force in this diagram?
a)
8N right
b)
2 N right
c)
8N left
d)
2N left
67.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)

neither are balanced

68.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
69.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia (1st law)
b)
The Law of Acceleration (2nd law)
c)
The Law of Conservation of Momentum
d)
Action Reaction Law (3rd law)
70.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
71.
Which graph is showing a faster constant speed?
a)
B
b)
F
c)
They show the same speed
d)

You cannot tell from the graph

72.
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
73.
Which runner had a head start?
a)
A
b)
B
c)
C
d)

Both A&C

74.
Which runner won the race?
a)
A
b)
B
c)
C
d)

You cannot tell

75.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
76.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
77.

What is the gravitational field near the surface of the Earth?

a)

9.81 m/sec²

b)

6.67 x 10^11 Nm²/kg²

c)

3.5 x 10^22 N

d)

10 m/s²

78.

What does the gravitational force depend on?

a)

Mass and distance

b)

Velocity and time

c)

Acceleration and force

d)

Energy and power

79.

What is the formula to calculate gravitational force between two objects?

a)

F = GMm/d²

b)

F = mg

c)

F = ma

d)

F = E/t

80.

According to Newton's Law of Universal Gravitation the relationship between the mass of object and distance between the objects is as

a)

mass increase, gravitational force increase

b)

mass increase, gravitational force decrease

c)

mass decrease, gravitational force increase

d)

no relationship

81.
As distance between two objects increases, the pull of gravity ___.
a)
Increases
b)
Decreases
c)
Stays the same

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