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Force for Mick

Total questions: 86

Worksheet time: 51mins

Name
Class
Date
1.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
2.

When you push or pull something, you are creating_________________.

a)

weight

b)

a speed

c)

a force

d)

a surface

3.

Which of the following would it take the most force to move?

a)

a 3-pound ball

b)

a 5 pound ball

c)

a 15 pund ball

d)

a 25 pound ball

4.

What does the force of gravity do to objects?

a)

It makes them float

b)

it makes them jump

c)

it pulls them to the center of earth

d)

it pushes them apart

5.

How does gravity on Earth compare to gravity on the moon?

a)

It is the same

b)

There is more gravity on Earth

c)

There is more gravity on the moon

6.

What does the word mass mean?

a)

The amount of matter in an object

b)

the speed an object falls

c)

how high a person can jump

d)

how far an object can be thrown

7.

Objects that have more mass also have more gravity.

a)

True

b)

False

8.

An example of the force of gravity is-

a)

a rocket flying through space

b)

a ball falling to the ground after it has been thrown

c)

a cloud moving across the sky

d)

the Sun rising

9.

Fernando was working on an experiment for science class. He dropped 4 steel balls of different weights from the same height. Her noticed that the balls all reached the ground at the same time. Fernando is probably doing an experiment on the-

a)

force of wind

b)

effect of gravity

c)

states of matter

d)

magnetic force

10.

The act of moving is called-

a)

inertia

b)

gravity

c)

work

d)

motion

11.

What is motion?

a)

A change in position.

b)

A change in force.

12.

When your position changes, you're in ____________.

a)

motion

b)

force

13.

Friction is a force that ______ against an object to slow its motion.

a)

pushes

b)

pulls

14.

Which force pulls objects towards the center of the earth?

a)

Gravity

b)

Friction

15.

Which force also produces heat?

a)

Gravity

b)

Friction

16.

An object moves in the _________ direction a force is applied.

a)

SAME

b)

OPPOSITE

17.

What happens when you PUSH a ball?

a)

It moves away

b)

It moves closer

18.

What is used to measure the weight or force of gravity on an object?

a)

Spring Scale

b)

Thermometer

c)

Newtonian Balance

d)

Yo Mama

19.

What is the basic SI unit to measurement force?

a)

Motion

b)

Velocity

c)

Newtons

d)

Acceleration

20.

Forces...

a)

Always come in pairs

b)

Are described by their size and direction

c)

Include weight, gravity and friction

d)

All of these

21.

What is the measure of the force of gravity acting on an object?

a)

Mass

b)

Spring Scale

c)

Weight

d)

Gravity

22.

The forces applied when one object touches another such as pushes or pulls and friction is called

a)

May the force be with you

b)

Net Force

c)

NonContact Force

d)

Contact Force

23.

A force that can be applied to an object whether they are touching or not. For example, gravity and magnetism, is called

a)

Luke Skywalker

b)

Contact Force

c)

NonContact Force

d)

Net Force

24.
If these teams 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.
25.
If a force does not cause an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Wimpy
d)
Weak
26.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
27.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
28.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
friction
29.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
30.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
31.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
32.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
33.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
34.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
35.
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
36.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
37.
Is the force of gravity on the diver a push or a pull?
a)
push
b)
pull
38.

Newton's 1st Law is also called the Law of ...

a)

Friction

b)

Inertia

c)

Unbalanced forces

d)

Newtons

39.
An object in motion tends to stay in motion unless an ___ force acts on it.
a)
unbalanced
b)
balanced
40.
The tendency of an object to resist a change in motion is...
a)
inertia
b)
kinetic energy
c)
vector
d)
net force
41.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
42.

Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.

a)

at rest

b)

moving

c)

in one spot

d)

inertia

43.

Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.

a)

at rest

b)

moving

c)

in one spot

d)

inertia

44.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia 
45.
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
46.
_________ opposes the motion of one object moving past another. 
a)
friction 
b)
velocity
c)
unbalanced forces
d)
simple machines 
47.
An object in motion will stay in what kind of motion as long as the net forces acting on it are zero?
a)
slowing motion in a straight line
b)
accelerating motion in a straight line
c)
constant motion in a straight line
d)
constant motion in an unpredictable direction
48.
friction is a force that acts 
a)
in the same direction as the motion
b)
opposite to the direction of the motion
c)
opposite to the applied forces
d)
the same direction as the applied force
49.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
50.
A change in velocity over time is called ___________.
a)
speed
b)
force
c)
acceleration
d)
direction
51.
The increasing speed of a falling object is caused by _____________.
a)
force
b)
mass
c)
speed
d)
gravity
52.
Newton's second law of motion describes acceleration as force divided by __________.
a)
mass
b)
inertia
c)
speed
d)
direction
53.
According to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass. 
a)
Newton's Second Law
b)
Newton's Third Law
c)
Newton's First Law
54.
An object's velocity can be changed by changing its speed, its direction, or both.
a)
True
b)
False
55.
What happens when unbalanced forces act on an object at rest?
a)
the object remains at rest
b)
the object begins moving in an unpredictable direction
c)
the object begins moving in the direction of the net force
d)
the object begins moving opposite to the direction of net force
56.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
57.
What is a Balanced Force?  Two objects where...
a)
They both have equal force 
b)
One has more force than the other
c)
Both have no force
d)
One has more gravity than the other
58.

Will it take more force to push an empty shopping cart or a shopping cart that is full?

a)

The empty shopping cart

b)

The full shopping cart

c)

They will take the same amount of force

d)

Depends on what is in the full shopping cart

59.

Newton's Second Law can be expressed as

a)

v = d / t

b)

E = mc2

c)

F = ma

d)

m1v1 = m2v2

60.
Accelerations are produced by
a)
forces.
b)
 velocities.
c)
 accelerations.
d)
 masses.
61.
Football A has a greater mass than football B.  Which football will have greater acceleration when both are thrown with the same force in the same direction?
a)
Football A
b)
Football B
c)
They will have the same acceleration
d)
Mass has no effect on acceleration
62.

For every action there is an equal and opposite reaction.

a)

Newton's First Law of Motion

b)

Newton's Second Law of Motion

c)

Newton's Third Law of Motion

63.

What is an opposing force?

a)

A force in the same direction with same strength.

b)

A force in an opposite direction with same strength.

64.

When you push on a wall, the wall pushes on you.

a)

True

b)

False

65.

A push or pull acted upon by an object.

a)

Equal

b)

Opposite

c)

Force

66.

If you push on a wall with a force of 30 N, the force acting on you from the wall is which of the following?

a)

0 N

b)

10 N

c)

20 N

d)

30 N

67.
Newton's Third Law States...
a)
Objects in motion stay in motion and objects at rest stay at rest
b)
Force is equal to mass times acceleration
c)
For each action there is an equal and opposite reaction
68.
According to Newton's third law forces come in pairs?
a)
True
b)
False
69.

What is an opposing force?

a)

A force in the same direction with same strength.

b)

A force in an opposite direction with same strength.

70.

A force that opposes motion between any surfaces that are in contact.

a)

gravity

b)

acceleration

c)

friction

d)

direction

71.

Which type of friction is shown in the picture?

a)

rolling

b)

fluid

c)

static

d)

sliding

72.

Which type of friction is shown in the picture?

a)

fluid

b)

static

c)

rolling

d)

sliding

73.

Which type of friction is shown in the picture?

a)

rolling

b)

static

c)

fluid

d)

sliding

74.

This photo represents...

a)

Air resistance

b)

water resistance

c)

friction force between 2 solid bodies

75.

Which boy A or B will slide down faster

a)

A

b)

B

c)

A and B

76.

A hard wood floor has more friction than a carpet.

a)

true

b)

false

77.

_____________ friction acts on objects that are not moving.

a)

sliding

b)

rolling

c)

static

d)

fluid

78.

Sliding friction is when two _____________ surfaces slide over one another.

a)

liquid

b)

oil

c)

solid

79.

Rolling friction is when an object ___________ over a surface.

a)

bounces

b)

rolls

c)

slides

80.

Fluid friction happens with objects moving through ______________ or ___________________.

a)

gases or liquids

b)

solids or liquids

c)

gases or solids

81.

Air resistance is a type of fluid friction.

a)

True

b)

False

82.

Air resistance is a type of fluid friction.

a)

True

b)

False

83.

Types of friction include

a)

static friction.

b)

sliding friction.

c)

rolling friction

d)

all of the above

84.

Which type of friction is shown in the picture?

a)

fluid

b)

static

c)

rolling

d)

sliding

85.

What does friction do to the motion of an object?

a)

Friction slows down or stops an object.

b)

Friction keeps an object from moving.

c)

Both of the above

86.

Factors affecting friction force

a)

surface area

b)

speed of moving object

c)

type of material surface