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Physics Final Spring Semester 2024

Total questions: 52

Worksheet time: 1hrs 19mins

Name
Class
Date
1.
1. In which scenario is positive work being done?
a)
A.
b)
B.
c)
C.
d)
None of the above.
2.
2. Find the Impulse of the following graph.
a)
9 kg m/s
b)
7 kg m/s
c)
8 kg m/s
d)
6 kg m/s
3.
3. A 10 kg object with an initial velocity of 6 m/s experiences the force shown in the graph. What is its velocity at 10s?
a)
25 m/s
b)
24 m/s
c)
23 m/s
d)
26 m/s
4.
4. In which scenario is negative work being done?
a)
A.
b)
B.
c)
C.
d)
None of the above.
5.
5. In which scenario is zero work being done?
a)
A.
b)
B.
c)
C.
d)
None of the above.
6.
6. True or False: Work is the ability to retain (meaning to keep) energy.
a)
True
b)
False
7.
7. Is there work being done by the following scenario: Mrs. Taylor is a waitress at a restaurant. She carries food across the room. She gets to a customers table and lowers their food onto the table. Is Mrs. Taylor doing work?
a)
No, because Mrs. Taylor doesn't bring the tray up or down.
b)
Yes, because Mrs. Taylor brings the tray down.
c)
I don't know and I need to be coming to tutorials.
8.
8. Is there work being done by the following scenario: Mrs. Taylor pushes an object off the table and the object free falls to the ground. Is there work being done?
a)
No, because the object is not doing work. Gravity is not acting
b)
Yes, because gravity is acting on the book.
c)
I don't know and I need to be coming to tutorials.
9.
9.T/F Electric Current is the rate of flow that electric charge passes from one place to another.
a)
True
b)
False
10.
10.V = IR is the equation for what law?
a)
Newton's 1st law
b)
Ohm's law
c)
Kirchhoff's law
d)
Bohr's law
11.
11.The disk drive in a portable CD player is connected to a battery that supplies it with a current of 0.22 A. How many electrons pass through the drive in 4.5s? (1 electron = 1.6 x 10-19 C)
a)
6.19 x 10^18 Electrons
b)
6.75 x 10^18 Electrons
c)
6.22 x 10^8 Electrons
d)
5.20 x 10^12 Electrons
12.
12.What is a voltage?
a)
Friction that impedes flow of current through the circuit
b)
A force that pushes the current through the circuit
c)
The actual “substance” that is flowing through the wires of the circuit
d)
The electrons traveling through the wires and resistors
13.
13.What is a current?
a)
Friction that impedes flow of current through the circuit
b)
A force that pushes the current through the circuit
c)
The actual “substance” that is flowing through the wires of the circuit
d)
The electrons traveling through the wires and resistors
14.
14.What is an amp?
a)
Friction that impedes flow of current through the circuit
b)
A force that pushes the current through the circuit
c)
The actual “substance” that is flowing through the wires of the circuit
d)
The electrons traveling through the wires and resistors
15.
15.What is resistance?
a)
Friction that impedes flow of current through the circuit
b)
A force that pushes the current through the circuit
c)
The actual “substance” that is flowing through the wires of the circuit
d)
The electrons traveling through the wires and resistors
16.
16.Which of these objects is an insulator?
a)
Copper Wire
b)
Steel Pole
c)
Paper Clip
d)
Rubber Gloves
17.
17.An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
18.
18.A light bulb that has a resistance of 200 ohms is connected to a 9 Volt battery. How much current goes through the light bulb?
a)
0.045 A
b)
0.033 A
c)
0.037 A
d)
0.049 A
19.
19.A 30 V battery is connected to a 10 Ω resistor what is the current in the circuit?
a)
30 A
b)
300 A
c)
3 A
d)
.3 A
20.
20.A 9-V battery delivers a 0.5-A current to an electric motor connected across its terminals. What power is delivered to the motor?
a)
.056 W
b)
18 W
c)
.45 W
d)
4.5 W
21.
21.As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
22.
22.Which statement is true?
a)
The light bulb will light up because the circuit is complete.
b)
The light bulb will not light up because the circuit is complete.
c)
The light bulb will light up because the circuit is broken.
d)
The light bulb will not light up because the circuit is broken.
23.
23.Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
24.
24.this is the symbol for a _____?
a)
switch
b)
battery
c)
light
d)
wires
25.
25.What is this symbol for?
a)
cell
b)
light bulb
c)
battery
d)
resistor
26.
26.The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
It uses a single battery.
c)
The same current flows through all three light bulbs.
d)
The electrical current is divided between the three light bulbs.
27.
In order for Work to happen, what 2 things must occur?
a)
Mass and Displacement
b)
Force and Mass
c)
Force and Work
d)
Force and displacement
28.

work can be thought of as

a)
energy from the sun
b)
a type of machine
c)

a force that moves an object a certain distance

d)
a force that pulls you toward the earh
29.

Science Steve gradually slows down the car and brings it to a complete stop as he approaches a red light with his daughter Cynthia. Is work being done on the car during the slow down?

a)

Yes

b)

No

30.
True or false
You do work only when you exert a force on an object and move it
a)
true
b)
false
31.

 

A force is applied by a chain to a roller coaster car to carry it up the hill of the first drop of the Shockwave ride.

This is an example of work being done.

a)

True

b)

False

32.
Work is done when a weightlifter holds a barbell still above his head.
a)
True
b)
False
33.
The SI unit of work is?
a)
Joules
b)
Watts
c)
Newtons
d)
meters
34.

You do work against gravity when you walk up some stairs.

a)

True

b)

False

35.
In physics, we define work as this
a)
force x time
b)
force x distance
c)
force / time
d)
force / distance
36.
What is the SI unit for work?
a)
joule
b)
watt
c)
newton
d)
kilogram
37.
The unit used to measure Work is the 
a)
Watt
b)
Newton
c)
Joule
d)
Meter
38.

What is the definition of work in physics?

a)

The force applied to an object

b)

The distance an object moves

c)

The force applied to on object with a distance

d)

The rate at which energy is used

39.

What is the definition of work in physics?

a)

Applying a force over a certain distance to a system

b)

Measuring time intervals

c)

Solving mathematical equations

d)

Studying historical events

40.
Voltage is simply defined as...
a)
what 'pushes' electrons
b)
what 'stops' electrons
c)
moving electrons
41.

Current is...

a)

...measured in volts with an voltmeter

b)

...measured in volts with an ammeter

c)

...measured in Amps with an voltmeter

d)

...measured in Amps with an ammeter

42.

Which answer best describes the voltage of a battery?

a)

how long it will last for

b)

how strongly it can push the current

c)

how fast the current will be

d)

how large the battery is

43.
Which of the following may be done to increase the force felt during the motor effect?
a)
Increase the current, length of wire in the field or the strength of the magnetic 
b)
Increase the voltage, length of wire in the field or the strength of the magnetic 
c)
Increase the current, increase the voltage or increase the strength of the magnetic field
d)
Increase the resistance in the wire or increase the magnetic field strength
44.

What is the unit of electric resistance?

a)

Ampere

b)

Ohm

c)

Volt

d)

Coulomb

45.

What is the SI unit of resistance?

a)

Ohm

b)

Ampere

c)

Volt

46.

Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points?

a)

Coulomb's Law

b)

Ohm's Law

c)

Faraday's Law

d)

Kirchhoff's Law

47.

What is the formula to calculate the electric power (P) in a circuit, using voltage (V) and current (I)?

a)

P=VIP = VI

b)

P=VIP = \frac{V}{I}

c)

P=V+IP = V + I

d)

P=VIP = V - I

48.
A continuous flow of electricity is called_____________
a)
series
b)
circuit
c)
static
d)
current
49.

Electric current is the flow of which of the following through a wire?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Protons and Electrons

50.
What is the movement of electrically charged particles?
a)
Voltage
b)
Electric Current
c)
Electric Resistance
d)
Magnet
51.

what is current measured in?

(a)  

52.

current is the flow of (a)