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Physics: Forces and Motion

Total questions: 176

Worksheet time: 1hrs 28mins

Name
Class
Date
1.

What is force in physics?

a)

A power in star wars

b)

A push or pull on an object

c)

A stop on an object

d)

The start of an object

2.

What can force do to an object?

a)

Accelerate an object

b)

Slow down an object

c)

Have the object remain in place

d)

Have the object change shape

e)

All of the above

3.

What is the measure of force?

a)

Newtons

b)

Light years

c)

Inches

d)

Gallons

4.

Select all the types of force

a)

Friction and gravity

b)

Electromagnetic and Nuclear

c)

Tension and Elastic

d)

Tyson and Cleactive

e)

Trison and hyter

5.

What is the unit for FORCE?

a)

N (Newtons)

b)

lbs (pounds)

c)

g (grams)

d)

m/s (meters per second)

6.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
7.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
8.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
9.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
10.

What type of force was at work in the parachute?

a)

elastic spring force

b)

frictional force (air resistance)

c)

magnetic force

d)

gravitational force

11.

What type of force was at work in the fishing toy?

a)

frictional force

b)

gravitational force

c)

elastic spring force

d)

magnetic force

12.

What forces are involved when they rock themselves back and forth on the toys?(more than 1 answer)

a)

frictional force

b)

gravitational force

c)

elastic spring force

d)

magnetic force

13.

Which of the following force is acting on the book?

a)

magnetic force

b)

frictional force

c)

gravitational force

d)

elastic spring force

14.

When we throw anything in air it always falls down because of _____

a)

Friction

b)

Gravity

c)

Solid

d)

motion

15.
a)
Balanced
b)
Unbalanced
16.
a)
Balanced
b)
Unbalanced
17.

___________ is an opposing force that makes objects in motion slow down.

a)

force

b)

speed

c)

friction

d)

mass

18.

The girls in this picture represent ________ forces (or 2 objects in equilibrium). 

a)
kinetic
b)
balanced
c)
unbalanced
d)
chemical
19.

What type of friction is shown in this car that is at rest?

a)

rolling

b)

static

c)

fluid

d)

sliding

20.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
21.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
22.

What type of force was at work in this toy?

a)

frictional force

b)

elastic spring force

c)

gravitational force

d)

magnetic force

23.

Balanced Force

a)

When forces are balanced, there is no change in motion

b)

When two forces act upon each other in opposite directions, and they are both the same size.

c)

Equal in size and opposite in direction

d)

Occurs when objects change in motion and can happen in two different ways.

24.

Unbalanced Force

a)

Forces applied to an object in opposite directions that are not equal in size

b)

A force that causes a change in an object's state of motion.

c)

One force is greater than another, the forces are not balanced

d)

Acting on an object which does not change the state of rest or of uniform motion

25.
a)

REST TO MOTION

b)

MOTION TO REST

c)

CHANGE IN DIRECTION

d)

CHANGE IN SHAPE AND SIZE

26.

In a football game, the goalkeeper stops a moving ball to prevent it from entering the goal. What is the motion of the object?

a)

Make a stationary object move

b)

Make a moving object stop

c)

Make a moving object move slower 

d)

Change the direction of a moving object

27.

which of the following is not an effect of force:

a)

to move a body from rest

b)

to change the color of an object

c)

to change the shape of a body

d)

to stop a moving body

28.

What type of force was happening between he wheels of the car and the ramp?

a)

Gravity

b)

Friction

c)

Balanced Force

29.

What object has the most inertia?

a)

A truck, because it has the most mass

b)

a car, because it has more mass than the bike and skate board.

c)

a bike, because it has more mass than the skateboard.

d)

a skate board, because it had the least amount of mass.

30.

Which image is an example of a balanced force?

a)

Image 1

(Top Image)

b)

Image 2

(Bottom Image)

31.

Which image is an example of an unbalanced force.

a)

Image 1 (top image)

b)

Image two (bottom image)

32.

Which boy will have an easier time getting down the hill?

a)

Boy A , because he is experiencing less friction than boy B.

b)

Boy B, because he is experiencing more friction than boy A.

33.

How does the mass of an object affect it's motion?

a)

It has no effect

b)

The less the mass the less effect a force will have

c)

The greater the mass the greater the effect a force will have

d)

The greater the mass the less effect a force will have

34.

A contact force is from

a)

objects physically touching

b)

far apart objects

c)

not touching object

d)

always a pull

35.

What effect does friction have on a moving object?

a)

it causes the moving object to slow and eventually stop

b)

it causes the moving object to speed up

c)

it keeps the moving object moving in the same direction forever

d)

it causes the moving object to turn around and move in the opposite direction

36.

Air resistance pushes against falling

objects and __________________.

a)

Speeds them up

b)

Keeps them afloat

c)

Slows them down

d)

Spins them

37.

Which has more air resistance?

a)
b)
38.

Air resistance is a force caused by...

a)

Water pushing against moving objects

b)

Air pushing against moving objects

c)

Gravity pushing against moving objects

d)

Normal force pushing against moving objects

39.

An object is falling downward through Earth's atmosphere. In which direction is the air resistance force?

a)

Down

b)

Up

c)

Around the object

d)

Through the object

40.

What keeps the planets in orbit around the sun?

a)

gravity

b)

friction

c)

density

d)

distance

41.

The larger the parachute the ____________

a)

Less air resistance

b)

More surface tension

c)

Less drag

d)

More drag

42.

The larger the surface area of the moving object, the ___________ air resistance there is.

a)

Less

b)

More

c)

Longer

d)

Quicker

43.

Another name for air resistance is...

a)

Buoyancy

b)

Streamline

c)

Gravity

d)

Drag

44.

What causes an object to fall faster?

a)

Smaller surface area

b)

Larger surface area

c)

If it has a parachute

d)

If it is softer

45.

The more streamlined an object is, the...

a)

More air resistance

b)

Less air resistance

c)

Slower air resistance

d)

Faster air resistance

46.

Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.

a)
b)
c)
d)

All will have equal air resistance force.

47.

A brick and a pencil are dropped at the same time from the same height. Which one would hit the ground first?

a)

brick

b)

pencil

c)

both would hit at the same time

48.

When will the forces of gravity between two objects be the GREATEST?

a)

when the masses of both objects are small and the objects are far apart

b)

when the masses of both objects are large and the objects are close together

c)

when the masses of both objects are small and the objects are close together

d)

when the masses of both objects are large and the objects are far apart

49.

When will the gravity between two objects be the LEAST?

a)

when the masses of both objects is small and the objects are close together

b)

when the masses of both objects is small and the objects are far apart

c)

when the masses of both objects is large and the objects are close together

d)

when the masses of both objects is large and the objects are far apart

50.

When you drop a hammer and a feather, why does the feather fall slower?

a)

air resistance causes the feather to slow down

b)

gravity pulls harder on the hammer than the feather

c)

gravity pulls harder on the feather than the hammer

d)

air resistance causes the hammer to fall slower

51.

Which statement about gravity is true?

a)

gravity causes objects to pull towards one another

b)

gravity causes objects to push away from each other

c)

gravity only takes place between planets

d)

the moon doesn't have any gravity

52.
Any object with mass is surrounded by a gravitational field.
a)
True
b)
Sometimes
c)
False
d)
Never
53.

Units for weight

a)

Newtons

b)

Kilograms

c)

Grams

d)

meters / second

54.

Units for mass

a)

meters per second

b)

meters

c)

kilograms

d)

mass/mass

55.
Bill jogs 400 meters to Andy's house, turns around, and runs 400 meters back home.  He does so in 267 seconds.  What is Bill's average speed?
a)
about 3 m/s
b)
about 1.5 m/s
c)
0
d)
about 4 m/s
56.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
57.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

58.
Which of the following is a unit of time?
a)
sec
b)
mi
c)
m/s
d)
km
59.
Which of the following is a unit of speed ?
a)
sec
b)
mi
c)
m/s
d)
min
60.
Which of the following is a unit of time?
a)
km/hr
b)
hr
c)
km
d)
mi
61.
Which of the following is a unit of speed?
a)
km/hr
b)
hr
c)
km
d)
s
62.
A train travels 25 km in .5 hrs. How fast is the train going?
a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
63.
The baseball park is 4200 m from Camden's house.  I took him 30 minutes to get there.  What was Camden's speed?
a)
.007 m/min
b)
12.60 m/min
c)
140 m/min
d)
126 m/min
64.
How long would it take a bus traveling at 50 km/h to travel 125 km?
a)
6,250 hours
b)
2.5 km
c)
2.5 hours
d)
6,250 km
65.
Distance over time.
a)
Travel
b)
Motion
c)
Velocity
d)
Speed
66.
It takes a leopard 5 minutes to travel 3 miles. What is the leopard's speed?
a)
15 m/m
b)
8 m/m
c)
.6 m/m
d)
2 m/m
67.
If I choose to walk to school at a speed of 3mph, it will take me 4 hours to arrive. How far away do I live?
a)
7 miles
b)
12 miles
c)
1 mile
d)
.75 miles
68.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
69.
What is the fastest land mammal?
a)
horse
b)
cheetah
c)
peregrine falcon
d)
mouse
70.
A bus carrying Ava's friends to a soccer game traveled 10 km in 30 minutes. To determine the average speed of the bus in km/hr, your first step would be to __________?
a)
convert speed to distance
b)
convert minutes to hours
c)
convert hours to seconds
d)
convert seconds to hours
71.
Akela rode her bike 48 km for 3 hours, she rested for 1/2 an hour and then rode another 24 km for 1 hours. What was the total distance she rode on her bike?
a)
24 km
b)
72 km
c)
48 km
d)
76 km
72.
Akela rode her bike 48 km for 3 hours, she rested for 1/2 an hour and then rode another 24 km for 1 hours. What was the total time she spend on her bike ride? (Remember, stops count!)
a)
24 hours
b)
48 hours
c)
4 hours
d)
4.5 hours
73.
Grace drove her mom's car for 70 km and it took her 120 minutes.  What was her average speed in km/hr?
a)
.58 km/min
b)
35 km/hr
c)
8400 km/min
d)
3.5 km/hr
74.
Akela rode her bike 48 km for 3 hours, she rested for 1/2 an hour and then rode another 24 km for 1 hours. What was her average speed?
a)
16 km/hr
b)
18 km/hr
c)
40 km/hr
d)
4.5 km/hr
75.
Using the graph provided, how long did it a ball to roll 30 cm?  What was the average speed of the ball?
a)
35 seconds, 1.17 cm/s
b)
30 seconds, 1 cm/s
c)
30 seconds, 1.17 cm/s
d)
35 seconds, 1 cm/s
76.

The unit of speed (Tick 3 answers)

a)

km/h

b)

m/s

c)

kg/h

d)

kg/s

e)

cm/s

77.

A train travels 25 km in 5 hours. How fast is the train going?

a)

25 miles/h

b)

5 miles/h

c)

125 km/h

d)

5 km/h

78.

The energy of an object that is due to the objects motion.

a)

Mechanical Energy

b)

Potential Energy

c)

Kinetic Energy

d)

Energy

79.

The energy an object has due to its position.

a)

Energy

b)

Mechanical Energy

c)

Kinetic Energy

d)

Potential Energy

80.

A change in position over time.

a)

Speed

b)

Reference Point

c)

Motion

d)

Distance

81.

An objects resistance to move. If it is at rest, it will stay at rest and if it is in motion, it will stay in motion.

a)

Friction

b)

Gravity

c)

Inertia

d)

Air resistance

82.

Is this a speed or acceleration graph?

a)

speed

b)

acceleration

83.

What is happening at segment E?

a)

acceleration

b)

deceleration

c)

constant speed

d)

no motion/object at rest

84.

What is happening at segment F?

a)

acceleration

b)

deceleration

c)

constant speed

d)

no motion/object at rest

85.

What is happening at segment A?

a)

acceleration

b)

deceleration

c)

constant speed

d)

no motion/object at rest

86.

What is happening at segment B?

a)

acceleration

b)

deceleration

c)

constant speed

d)

no motion/object at rest

87.

Is this a speed or acceleration graph?

a)

speed

b)

acceleration

88.

What is happening at segment B?

a)

no motion/object at rest

b)

constant speed

c)

acceleration

89.

What is happening at segment A?

a)

no motion/object at rest

b)

constant speed

c)

deceleration

90.

Describe the motion in the graph:

a)

Constant Speed (positive slope)

b)

Stopped (at rest)

c)

Acceleration (increasing speed)

d)

Return Home (negative slope)

91.

Describe the motion in the graph:

a)

Constant Speed (positive slope)

b)

Stopped (at rest)

c)

Acceleration (increasing speed)

d)

Return Home (negative slope)

92.

Describe the motion in the graph:

a)

Constant Speed (positive slope)

b)

Stopped (at rest)

c)

Acceleration (increasing speed)

d)

Return Home (negative slope)

93.

How do you find the speed from a distance-time graph?

a)

Find the area under the graph

b)

Find the gradient of the line

c)

Read the height of the graph

94.

Which line shows the slower pace?

a)

dashed line

b)

solid line

95.

What is the speed of segment A?

a)

0.5 m/s

b)

2 m/s

c)

3 m/s

d)

0 m/s

96.

What is the speed after 2 seconds?

a)

40 m/s

b)

20 m/s

c)

10 m/s

d)

40 m

97.

Find the average speed from 30 to 60 minutes on this graph. (Hint: distance traveled during time range /divided by time)

a)

0.03 km/min

b)

0.05 km/min

c)

0.67 km/min

d)

0.07 km/min

98.

What is this graph showing?

a)

At rest

b)

Acceleration

c)

Constant speed of 1 m/s

d)

Gradually speeding up

99.

What is this graph showing?

a)

Gradually slowing down

b)

Gradually speeding up

c)

Constant speed

d)

Stopped

100.

What is this graph showing?

a)

Constantly slowing down

b)

Constantly speeding up

c)

Acceleration

d)

Returning to starting point

101.

Match the graph to the description:

"The car is stopped."

a)
b)
c)
d)
102.

Match the graph to the description:

"The car is accelerating speeding up (positive acceleration)."

a)
b)
c)
d)
103.

Match the graph to the description:

"The car is slowing down (negative acceleration)."

a)
b)
c)
d)
104.

Match the description to the graph:

"The car is traveling at a constant speed."

a)
b)
c)
d)
105.

In which of the following graphs below are both runners moving at the same speed?

a)
b)
c)
d)
106.

Segment O-A The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

107.

Segment A-B The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

108.

Segment B-C The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

109.

Segment C-D The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

110.

Segment D-E The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

111.

Segment E-F The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

112.

Which runner won the race?

a)

Albert

b)

Bob

c)

Charlie

113.

Which runner stopped for a rest?

a)

Albert

b)

Bob

c)

Charlie

114.

How long did Charlie stop for a rest?

a)

2.5 seconds

b)

2 seconds

c)

3 seconds

d)

5 seconds

115.

How long did Bob take to complete the race?

a)

17 seconds

b)

12 seconds

c)

14 seconds

d)

15 seconds

116.

Calculate Albert's average speed for the 100-meter race.

a)

8.33 m/s

b)

5 m/s

c)

7.14 m/s

d)

5.88 m/s

117.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

118.
Which of the following would increase the pressure on a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
119.
What decreases as you go up in the atmosphere?
a)
Altitude
b)
Atmosphere
c)
Meteors
d)
Air Pressure
120.

How do you Calculate Pressure

a)

Force(N)/Area(m2)

b)

Force(kg)/Area(mi2)

c)

Area(m2)/Force(N)

121.

Why won't you sink in mud if you wear boots?

a)

Because the surface area is larger creating less pressure.

b)

Has air in it to keep you floating.

c)

Because the mud won't want you.

122.

Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?

a)

The design of this structure is stronger.

b)

Water pressure increases with depth.

c)

The cost of construction is lower.

d)

Water pressure acts uniformly in all directions.

123.

What is pressure?

a)

The amount of force exerted on a surface

b)

The surface area of an object

c)

The weight of an object

124.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
125.
What is the equation used to calculate pressure?
a)
pressure= force/mass
b)
pressure =mass/volume
c)
pressure=area/force
d)
pressure=force/area
126.
Which of these animals would probably cause the greatest pressure on the ground?
a)
A fat cow with big feet
b)
A fat cow with small feet
c)
 A calf with big feet
d)
A calf with small feet
127.
Where would you find the largest pressure?
a)
At the bottom of the ocean
b)
At the top of Mt Everest
c)
Close to ground on the Scotch oval
d)
In a rockpool on the Great Barrier Reef
128.
Which of the statements is true?
a)
The bottom of the boot exerts more pressure than the shoe as a result of an increase in surface area.
b)
The bottom of the shoe exerts more pressure than the boot as a result of an decrease in surface area.
c)
The bottom of the shoe exerts the same pressure as the bottom of the boot.
129.
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
a)
40 N/cm2
b)
100 N/cm2
c)
400 N/cm2
d)
10 N/cm2
130.
If the horse reared up on 2 legs what effect would it have on the pressure?
a)
it will exert half the pressure it did before
b)
it will exert the same pressure it did before
c)
it will exert twice the pressure it did before
d)
it will exert four times the pressure it did before
131.
Army tank tracks are useful for travelling through the mud because..
a)
they decrease the force the vehicle exerts on the ground
b)
they increase the force the vehicle exerts on the ground
c)
they decrease the pressure the vehicle exerts on the ground
d)
they increase the pressure the vehicle exerts on the ground
132.
Where is pressure the greatest on the dam?
a)
D
b)
C
c)
B
d)
A
133.
Pressure can be measured in Pascales (Pa) or Newtons per square metre.
1 Pa = 1N/m2
a)
True
b)
False
134.
The pressure resulting from a force of 50 N exerted over an area of 5 m2 is
a)
10 N
b)
0.1 N
c)
10 N/m2
d)
0.1 Pa
135.

A person weighs 700N and their feet have a surface area of 0.1m2. How much pressure is exerted?

a)

7000N/m2

b)

70N/cm2

c)

100N/m2

136.

What does N/m2 mean?

a)

Newtons per squared metre

b)

Kilograms per squared mile

c)

Squared metres per newton

137.

Over what area must a force of 50N be applied to produce a pressure of 50Pa ?

a)

10 m2

b)

50 m2

c)

1 m2

d)

0.1 m2

138.

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

a)

The pressure will increase

b)

The pressure will decrease

c)

The pressure will remain constant

d)

The pressure will equalize

139.
In what direction(s) does air exert pressure?
a)
everywhere
b)
no where
c)
there is no pressure
d)
downward
140.

The pressure inside the balloon will:

a)

Decrease

b)

Increase

c)

Remain the same

d)

Not enough information to formulate an answer

141.

The pressure of the gas in the balloon in the ice water will be:

a)

Greater than that of the balloon in the boiling water.

b)

Less than that of the balloon in the boiling water.

c)

The same as that of the balloon in the boiling water.

d)

Not enough information to answer the statement.

142.

Hydraulic systems use ________ to transfer force from one point to another.

a)

Air

b)

Liquid

c)

Solid

d)

Gas

143.

Air is compressible and liquid is incompressible.

a)

True

b)

False

144.
What is the pressure in the hydraulic fluid?
a)
1210 N
b)
484 N/m2
c)
8000 N
d)
3025 N/m2
145.
What is the force up on the mailbox?
a)
1210 N
b)
8000 N
c)
7744 N
d)
5655 N
146.
How much was the original force multiplied?
a)
  6.4 x
b)
8.3 x
c)
5 x
d)
7 x
147.
Which is the force made on the piston?
a)
400 N
b)
100 N
c)
40 N
d)
1000 N
148.
Objects A-D are in water. Which is the most dense?
a)
A
b)
B
c)
C
d)
D
149.
Objects A-D are in water. Which is displacing the most water?
a)
A
b)
B
c)
C
d)
D
150.

Buoyancy is the tendency for objects to float in a fluid. We consider buoyancy the...

a)

Un-gravity force

b)

The upward force

c)

Gravitational pull

d)

Downwards pull on an object

151.
What is the difference between particles in a gas and a solid?
a)
gas particles are closer together
b)
solid particles move faster than gas particles
c)
solid particles expand on heating
d)
gas particles have more kinetic energy than solid particles
152.

The pressure inside the syringe will decrease if we move the plunger in:

a)

Direction A

b)

Direction B

c)

We don't have to move the plunger as the pressure will change on its own.

d)

None of the above answers.

153.

Why the bicycle tyre does not expand like balloon ?

a)

Because the Balloon material is more elastic than bicycle tyre

b)

Because Bicycle tyre is heavier than Balloon

c)

Because the Bicycle tyre have more density than Balloon

d)

Because Bicycle tyre have more are and weight than Balloon

154.
3. Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
155.
2. The place where a lever pivots is called the _______.
a)
Pivot point
b)
Tissue
c)
Fulcrum
156.
A see saw is an example of a:
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
157.
A wheelbarrow is an example of a:
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
158.
What is the anticlockwise moment acting on this crane?
a)
80,000Nm
b)
100,000Nm
c)
120,000Nm
d)
140,000Nm
159.
Unit of force.
a)
Meter
b)
Centimeter
c)
Newton
160.
Which body part acts as the fulcrums of levers?
a)
lungs
b)
kidneys
c)
joints
d)
brain
161.
What is the moment acting on the seesaw?
a)
1.6Nm
b)
15Nm
c)
16N
d)
4Nm
162.
Moment is bigger if the force acts further  from turning point
a)
TRUE
b)
FALSE
163.
What is the moment produced by the 15 N?
a)
15 Nm (clockwise)
b)
150 Nm (anti - clockwise)
c)
1.5 Nm (anti - clockwise)
d)
0.15 Nm (clockwise)
164.

Complete:


Moment = ___ x distance from ___.

a)

pivot, force

b)

load, pivot

c)

force, pivot

d)

force, middle

165.

A boy of weight 600N sits on the see-saw as shown at a distance of 1.5m from the pivot. What is the force F required at the other end to balance the see-saw?

a)

450 N

b)

350 N

c)

4.5 N

d)

200 N

166.

What do we call forces applied to anything that turns?

a)

Minute

b)

Moment

c)

Minimum

d)

Monument

167.

What is the size of the moment shown by the black arrow?

a)

30 Nm

b)

36 Nm

c)

40 Nm

d)

60 Nm

168.

Identify the pivot

a)

Spanner

b)

Nut

c)

Hand

d)

The Sun

169.

What are the units for a moment?

a)

N

b)

m

c)

Nm

d)

N/m

170.

What is the moment for this situation?

a)

5Nm

b)

6Nm

c)

50Nm

d)

25Nm

171.

What is the principle of moments?

a)

For a balanced object

Clockwise moment = Anticlockwise moment

b)

I don't know, something physicsy I guess...

c)

For a balanced object the clockwise moments are larger

d)

All moments add up to 180

172.

What is the missing force?

a)

30Nm

b)

40Nm

c)

3Nm

d)

0.4Nm

173.
WHAT ARE THE 3 MAIN PARTS OF A LEVER?
a)
FOOT, EFFORT, REPORT
b)
FULCRUM, STRUCTURE, EFFORT
c)
FULCRUM, EFFORT, LOAD
174.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
175.

The nutcracker is the example of .......................

a)

First Class of lever

b)

Second Class of lever

c)

Third Class of lever

d)

Fourth Class of lever

176.
What is definition of the effort?
a)
The fixed point or pivot
b)
The point where the force is applied 
c)
The point where the weight/resistance is coming from

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