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Final Reg sem 2 studyguide 2024

Total questions: 120

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

If John pushes North with 100N and Jake pushes South with 150N, what is the net force?

a)

250N

b)

50N north

c)

50N south

d)

0, its in equalibrium

2.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
3.
What is the net force?
a)
11 N left
b)
11 N right
c)
3 N left
d)
3 N right
4.
A toy car was used in an investigation about forces. During which of the following scenarios was the car experiencing balanced forces?
a)
The toy car speeds up as it rolls down a ramp.
b)
The toy car travels forward at a constant speed.
c)
The toy car slows down as it rolls up a hill.
d)
The toy car changes direction at a constant speed.
5.
The diagram below shows a skateboarder pushing himself forward with a force of 25 N while the wind pushes back with a force of 5 N. How will the skateboarder be affected if the force of the wind increases to 8 N?
a)
The speed of the skateboarder will increase.
b)
The speed of the skateboarder will remain constant.
c)
The speed of the skateboarder will decrease.
d)
The skateboarder will come to a stop.
6.
This list below includes six different scenarios. Which objects in the list experience an unbalanced force?
a)
The ball, the cat, and the flag
b)
The marble, the book and the toy car
c)
The cat, the book, and the flag
d)
The marble, the ball, the cat, and the toy car
7.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
8.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
9.
True or False: The larger the arrow the more the net force.
a)
True
b)
False
10.
What is the unit of measurement for force?
a)
AMP
b)
Seconds
c)
Newtons
d)
Miles
11.
Which one is balanced?
a)
top
b)
bottom
c)
both
12.
Is it BALANCED? 
a)
Yes
b)
No
13.

The force of the ground pushing up on you is called:

a)

normal force

b)

ground force

c)

perpendicular force

d)

static force

14.

A bike is moving at a constant velocity in a straight line.

a)

The bike has unbalanced forces

b)

The bike has a net force greater than zero

c)

The bike is in equilibrium

15.

If the forces are unbalanced, the object will _____________

a)

not move

b)

move at a constant speed

c)

accelerate

d)

stop

16.

When a falling object reaches its maximum speed, it is at its ________________________

a)

terminal velocity

b)

highest speed

c)

escape velocity

17.

A picture is hanging on the wall. Select all that are true

a)

it is at equilibrium

b)

it has unbalanced forces

c)

it is accelerating down

d)

its net force is zero

18.
What is the formula for calculating speed?
a)
S= D x T
b)
S= T/D
c)
S= D/T
d)
S= D+T
19.
30 km/hr is an example of...
a)
Speed
b)
Velocity
c)
Acceleration
d)
Distance
20.
65mi/hr South is an example of...
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
21.
Calculate the speed of a train that traveled 400 miles in 5 hours.
a)
20 mph
b)
20 m/s
c)
80 mph
d)
80 m/s
22.
A plane flying 300 mph West toward California is an example of...
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
23.
mi (miles) is a unit for...
a)
Speed
b)
Distance
c)
Time
d)
Direction
24.
Km (kilometers) is a unit for...
a)
Speed
b)
Distance
c)
Time
d)
Direction
25.
min (minutes) is a unit for...
a)
Speed
b)
Distance
c)
Time
d)
Direction
26.
hr (hour) is a unit for ...
a)
Speed
b)
Distance
c)
Time
d)
Direction
27.
km/hr is a unit for...
a)
Speed
b)
Distance
c)
Time
d)
Direction
28.
mi/hr is a unit for...
a)
Speed
b)
Distance
c)
Time
d)
Direction
29.

15m/s2 is an example of...

a)

Speed

b)

Distance

c)

Time

d)

Acceleration

30.
A car speeding up to get on the highway is an example of...
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
31.
Calculate the speed of a sprinter who ran 200 meters in 20 seconds.
a)
10m/s
b)
10km/s
c)
10m/hr
d)
10km/hr
32.
m (meters) is an example of ...
a)
Speed
b)
Distance
c)
Time
d)
Directioin
33.
Velocity is...
a)
distance over time
b)
distance over time with direction
c)
change in direction
d)
change in speed and direction
34.

The car began the race at 10 m/s, after 5 seconds, it was moving at 60 m/s. What was its acceleration?

a)

14 m/s2

b)

6.5 m/s2

c)

10 m/s2

d)

2 m/s2

35.

After Joe saw the police car, he slowed from 80 mi/hr down to 50 mi/hr. If it took him 5 seconds to slow down, what was his acceleration?

a)

26 m/s2

b)

-6 m/s2

c)

6 m/s2

d)

16 m/s2

36.

What does it mean if acceleration is negative?

a)

object is speeding up

b)

object is slowing down

c)

object is going in a circle

d)

object has a constant velocity

37.

In graph 1, the object is _________________________

a)

moving at a constant velocity forward

b)

not moving

c)

accelerating

d)

moving at a constant velocity backward

38.

In graph 2, the object is _________________________

a)

moving at a constant velocity forward

b)

not moving

c)

accelerating

d)

moving at a constant velocity backward

39.

In graph 3, the object is _________________________

a)

moving at a constant velocity forward

b)

not moving

c)

accelerating

d)

moving at a constant velocity backward

40.

In graph 4, the object is _________________________

a)

moving at a constant velocity forward

b)

not moving

c)

accelerating

d)

moving at a constant velocity backward

41.

Which location on the graph is accelerating?

a)

A

b)

B

c)

C

d)

D

e)

E

42.
The Law of Inertia
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
43.
F=ma
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
44.

For every action force, there is an equal and opposite reaction force.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

45.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
46.

A stationary bumper car is accelerated forward by the outside force of another bumper car colliding with it.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

47.

A magician pulls a table cloth from under a table of dishes and they stay in place.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

48.

If the net force is 0, then the forces are ___________

a)

balanced

b)

unbalanced

49.

When two objects rub against each other, the force they feel is called _____________________

a)

acceleration

b)

weight

c)

friction

50.

The greater the mass of an object,

a)

the more balanced it will be

b)

the higher its acceleration will be

c)

the more inertia it has

51.

The force that pulls falling objects toward Earth is called

a)

free fall

b)

air resistance

c)

gravity

52.

A second grader is pulling her sled behind her in the snow. She is crying because when she stopped to tie on her hat, the sled kept sliding and hit the back of her legs.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

53.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration 
b)
An object at rest stays at rest unless acted on an unbalanced force.
c)
For every action there is a equal and opposite  re-action.
d)
Law of gravity 
54.

What is Newtons 3rd law of motion?

a)

Force= Mass multiplied by acceleration

b)

An object at rest stays at rest unless acted on an unbalanced force.

c)

For every action force there is a equal and opposite reaction force.

d)

Law of gravity

55.

If the net force acting on a stationary object is zero, then the object will

a)

remain at rest.

b)

accelerate in the direction of the strongest force.

c)

begin moving backwards.

d)

decelerate at a steady rate of speed.

56.

The acceleration due to gravity on Earth is __________.

a)

9.8 m/s2

b)

32m/s2

c)

10N

d)

F=ma

57.

What pushes a rocket as it takes off?

a)

exhaust pushes on ground

b)

exhaust pushes on air

c)

exhaust pushes on rocket

d)

air pushes on rocket

58.

Action force is bat hits ball, reaction is

a)

ball flies through air

b)

ball hits bat

c)

weight of ball

59.

A bug hits a windshield of a car. Which feels the largest force?

a)

car

b)

bug

c)

both feel the same

d)

the bug is too small to feel a force at all

60.

If the same force is applied to a SMALL mass, its acceleration will be _________

a)

small

b)

it will be the same as a large mass

c)

large

d)

twice as much

61.

Pulling a table cloth from under the glasses and them not breaking is an example of Newtons ________ law.

a)

1st

b)

2nd

c)

3rd

d)

4th

62.

Action force: hammer hits nail, Reaction force: ________________

a)

nail goes into wood

b)

nail hits hammer

c)

makes a loud noise

63.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
64.

Friction is a force that acts

a)

in the same direction as the motion

b)

opposite to the direction of the motion

c)

with the motion

d)

towards the direction of the motion

65.

What do the variables in the equation F=ma stand for?

a)

F=force, M=mass, A=acceleration

b)

F=face, M=mass, A=apple

c)

F= Fahrenheit, M=movement, A=acceleration

d)

F=force, M=magnetic force, A=acceleration

66.

A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/s2 What is it's force?

a)

50 Newtons

b)

5 Newtons

c)

20 Newtons

d)

9.5 Newtons

67.

If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?

a)

150 Newtons

b)

15 Newtons

c)

150 kilograms

d)

100 kilograms

68.
The mass of a car is 1000 kg.  How much force would be required to accelerate the car at a rate of 3 m/s2? 
a)
1000 ÷ 3
b)
3 ÷ 1000
c)
1000 x 3
69.
A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object. The answer to this question is most likely (HINT: Look at the units!!!) - 
a)
6.4 N
b)
6.4 m/s2
c)
6.4 kg
70.
A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s2. What is the mass of the skier? To solve this problem you must do - 
a)
132 ÷ 2
b)
2 ÷ 132
c)
132 x 2
71.

If the net force acting on a moving object is zero, then the object will

a)

stop

b)

move at a constant velocity

c)

begin moving backwards.

d)

decelerate at a steady rate of speed.

72.

The _________________energy of an object increase with its height.

a)

chemical potential

b)

kinetic

c)

thermal

d)

gravitational potential

73.

Anything with kinetic energy must be

a)

lifted above the Earth's surface

b)

in motion

c)

at rest

d)

changing direction

74.

Energy stored in food, batteries and anything that will burn would be considered

a)

chemical potential

b)

kinetic

c)

thermal

d)

gravitational potential

75.

Plants use photosynthesis to convert Sunlight into __________________________.

a)

gravitational potential energy

b)

chemical potential energy

c)

thermal energy

d)

mechanical energy

76.

This type of energy stays constant and does not change during energy transformations.

a)

potential energy

b)

kinetic energy

c)

mechanical energy

d)

solar energy

77.

An example of kinetic energy?

a)

a book sitting on a shelf

b)

hat and gloves on a table

c)

cars parked in a parking lot

d)

a car droving down the street

78.

Depends on both the height and the mass of an object.

a)

radiant

b)

kinetic

c)

chemical

d)

gravitational potential

79.

An object has a velocity of 9 m/s and a mass of 10 kg. What is the kinetic energy of the object?

a)

90 J

b)

405 J

c)

882 J

d)

1,764 J

80.

A falling object.

a)

GPE goes up, KE goes down.

b)

GPE goes up, KE goes up

c)

GPE goes down, KE goes down

d)

GPE goes down, KE goes up

81.

A radio produces which energy transformations?

a)

They convert electrical energy to thermal energy.

b)

They convert electrical energy to sound energy.

c)

They convert mechanical energy to electrical energy

d)

They convert heat energy to electrical energy.

82.

The picture shows a pendulum swinging, starting at point A. The potential energy of the pendulum would be the greatest at

a)

point A

b)

point B

c)

point C

d)

both A and C

83.
A 70 kg runner has a velocity of 5 m/s. Her kinetic energy is
a)
875 J
b)
175 J
c)
1750 J
d)
350 J
84.

A 5 kg ball is lifted 6 m above the ground. It's gravitational potential energy is

a)

30 J

b)

294 J

c)

11 J

85.

What is the potential energy of a 10 kg apple that is sitting on a 1.5 m high tree branch?

a)

15 J

b)

147 J

c)

11.25 J

d)

73.5 J

86.

An 8 kg toddler is running at a speed of 10 m/s. How much energy does she have?

a)

400 J

b)

80 J

c)

800 J

d)

450 J

87.

Kinetic Energy of wind is transformed into _____ energy in a windmill.

a)

Solar

b)

potential

c)

Electrical

88.

Some students observing a classroom device being used, noticed the following energy transformations.

Chemical → Electrical → light

Which device were the students most likely observing?

a)

A triple beam balance measuring an object’s mass.

b)

A pencil sharpener plugged into a wall outlet.

c)

A projector displaying a diagram on the screen.

d)

A working flashlight used to light up a dark corner.

89.

Which type of energy transformation occurs when a car drives?

a)

chemical → thermal → mechanical

b)

chemical → electrical → light

c)

thermal → chemical → light

d)

chemical → electrical → chemical

90.
The Theory of the Conservation of Energy states -
a)
Energy can be created, just not destroyed. It changes its form from one type to another.
b)
Energy can never be created nor destroyed. It can only change its form from one type to another.
c)
The total energy in our Universe changes, as different forms of energies can be transformed from each other under certain circumstances.
d)
Energy transformations do not passively occur in our lives, rather we actively make use of energies and transform energies.
91.

Solar Panels convert solar energy into _____ Energy.

a)

Mechanical

b)

Solar

c)

Sound

d)

Electrical

92.

In the picture, the stove transforms electrical Energy into _____ Energy.

a)

Thermal

b)

Solar

c)

Electrical

d)

None

93.

The _________________energy of an object increases with its velocity

a)

chemical potential

b)

kinetic

c)

thermal

d)

gravitational potential

94.

An example of Potential energy?

a)

a book sitting on a shelf

b)

boy running

c)

a car droving down the street

95.

Stored energy based on height

a)

kinetic energy

b)

gravitational potential energy

c)

mechanical energy

d)

thermal energy

96.

Energy stored in chemical bonds

a)

kinetic energy

b)

gravitational potential energy

c)

chemical potential energy

d)

thermal energy

97.

The equation to find potential energy is

a)

PE=1/2mv2

b)

PE=mgh

c)

PE=1/2kx2

d)

PE=Fd

98.

What is current measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

99.

What is resistance measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

100.

What is Resistance?

a)

The flow of electrons

b)

Electric potential difference

c)

A battery

d)

The ability to reduce the flow of electrons

101.

Electricity that flows in a closed path is called a

a)

path

b)

current

c)

circuit

d)

light

102.

What word means how fast the electrons flow.

a)

Current

b)

Voltage

c)

Resistance

d)

Power

103.
Energy produced by the movement of electrons.
a)
electricity
b)
motion
c)
open circuit
d)
conductor
104.

Material that allows electric current to flow through easily.

a)

electromagnetic field

b)

conductor

c)

open circuit

d)

insulator

105.

Material that PREVENTS electric current from flowing.

a)

electromagnetic field

b)

electric current

c)

insulator

d)

conductor

106.

An invisible force surrounding electrical charges that can allow electrons to apply a force over a distance.

a)

open circuit

b)

electric field

c)

closed circuit

d)

electricity

107.
Opposite charges ______ each other
a)
Attract
b)
Repel
c)
Do nothing
108.

Static electricity occurs because...

a)

of thunder

b)

of humid air

c)

of neutral particles adding up

d)

of a buildup of charges on an object.

109.

The loss of static electricity as electric charges SUDDENLY transfer from one object to another.

a)

Static Discharge

b)

Negative Charge

c)

Positive Charge

d)

Neutral Charge

110.

What charge does an electron have?

a)

negative (-)

b)

positive (+)

c)

neutral or no charge (0)

111.
What part of a circuit stops the current?
a)
wire
b)
switch
c)
battery
d)
light
112.
What material is a good conductor?
a)
copper
b)
wood
c)
rubber
d)
plastic
113.

What material is an insulator?

a)

copper

b)

silver

c)

gold

d)

plastic

114.
A material through which electrons can easily flow. 
a)
insulators
b)
conductors
115.
A type of circuit where each component is connected, one after the other, in a SINGLE loop. 
a)
series circuit
b)
parallel circuit
116.
A material that SLOWS or STOPS the flow of electrons. 
a)
insulators
b)
conductors
117.
A BROKEN loop of conductors
a)
closed circuit
b)
open circuit
118.

The Positive particle in an atom

a)

atoms

b)

electrons

c)

protons

d)

neutrons

119.
Name the following symbol used in the drawing of a circuit. 
a)
battery
b)
switch
c)
motor
d)
light bulb
120.
An electric current can move along more than one path in a.....
a)
Series circuit
b)
Parallel circuit

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