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Final Exam Review Pt4

Total questions: 50

Worksheet time: 7hrs 55mins

Name
Class
Date
1.

According to Newton, whenever objects A and B interact with each other, they exert forces upon each other. Which law is this?

a)

1st

b)

2nd

c)

3rd

2.

Which of Newton's Laws states the following "For every action, there is an equal and opposite reaction".

a)

1st

b)

2nd

c)

3rd

3.

According to Newton's Third Law: the action force is "your foot hits the ground". what would be the reaction force?

a)

the ground puts dirt on your shoes

b)

the ground trips you and you fall

c)

the ground has inertia

d)

the ground hits your foot

4.

Which one of newton's laws states the following, "An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force"?

a)

1st

b)

2nd

c)

3rd

5.

Which one of newton's laws declares that a force is not needed to keep an object in motion?

a)

1st

b)

2nd

c)

3rd

6.

What term does this definition belong to, "the resistance an object has to a change in its state of motion"?

a)

Force

b)

Mass

c)

Inertia

d)

Newton

7.

What are the units for Coefficient of Friction?

a)

Newton

b)

Kilograms

c)

Pounds

d)

It has none

8.

Inertia can best be described as _____.

a)

the force which keeps moving objects moving an stationary objects at rest.

b)

the willingness of an object to eventually lose its motion

c)

the force which causes all objects to stop

d)

the tendency of any object to resist change and keep doing whatever its doing

9.

The amount of inertia possessed by an object is dependent solely upon its __________.

a)

Gravity

b)

Mass

c)

Meters

d)

Force

10.

As Newton's second law states, "the more mass, the more (a)   "

11.

Which of the following are contact forces? **there can be only one or more than one answer**

a)

Gravitational Force

b)

Normal Force

c)

Electrical Force

d)

Frictional Force

e)

Tension Force

12.

Which of the following are contact forces? **there can be only one or more than one answer**

a)

Air Resistance Force

b)

Applied Force

c)

Magnetic Force

d)

Spring Force

13.

Which of the following are action at distance (field) forces? **there can be only one or more than one answer**

a)

Gravitational Force

b)

Normal Force

c)

Electrical Force

d)

Frictional Force

e)

Tension Force

14.

Which of the following are action at distance (field) forces? **there can be only one or more than one answer**

a)

Air Resistance Force

b)

Applied Force

c)

Magnetic Force

d)

Spring Force

15.
a)

force = mass x air resistance

b)

field = mass x air resistance

c)

force = mass x acceleration

d)

force = moles x acceleration

16.

If the net force acting upon an object is 0 N, then the object MUST ____.

a)

be missing

b)

be accelerating

c)

be at rest

d)

be moving with a constant speed in the same direction

17.

The amount of force required to keep a 6-kg object moving with a constant velocity of 2 m/s is __ N.

a)

6

b)

2

c)

3

d)

12

e)

nonsense! A force is NOT required to keep an object in motion.

18.

According to Newton's 3rd Law, whenever objects A and B interact with each other, they exert forces upon each other.

a)

True

b)

False

19.

Force is a quantity that is measured using the standard metric unit known as Newtons (N).

a)

True

b)

False

20.

Contact Forces: are those types of forces that result when the two interacting objects are perceived to be physically contacting each other.

a)

True

b)

False

21.

Field Forces/Action at a distance Forces: are those types of forces that result even when the two interacting objects are not in physical contact with each other, yet are able to exert a push or pull despite their physical separation.

a)

True

b)

False

22.

An object that has a balanced force cannot be accelerating. True or False

a)

True

b)

False

23.

In order for a force to be unbalanced... the object must be: at rest or moving in a constant motion,

a)

True

b)

False

24.

In order for a force to be unbalanced... the object must be: Accelerating.

a)

True

b)

False

25.

The more Mass, The More Inertia

a)

True

b)

False

26.

Newton's First Law is referred to as the "Law of Inertia"

a)

True

b)

False

27.
Which statement best explains Newton's Third Law of Motion?
a)
An object at rest tends to stay at rest.
b)
For every action there is an equal and opposite reaction.
c)
The acceleration of an object is based on the force applied.
d)
An object continues its motion until an unbalanced force is applied.
28.
Which is the best example of Newton's First Law of Motion?
a)
a basketball thrown in the air falls to the ground
b)
a soccer ball remains motionless until it is kicked by a player
c)
a baseball player swings at an approaching ball
d)
an ice skater pushes back from a wall and moves backwards
29.
An object is resting motionless on a surface. According to Newton's 1st Law, the object will only start to move if
a)
the net forces on the object equal zero
b)
an unbalanced force is applied to the object
c)
the upward force of the object is equal to its acceleration
d)
two forces that are equal and opposite are applied to the object
30.
A truck that is travelling at a constant speed is carrying some boxes.  If the truck comes to a sudden stop, what will most likely happen to the boxes?
a)
They will stay in the middle of the truck.
b)
They will slide toward the front of the truck.
c)
They will slide toward the back of the truck.
d)
They will fall off the side of the truck.
31.
The force that draws all objects towards Earth.
a)
friction
b)
gravity
c)
mass
d)
acceleration
32.
A rubbing together force that slows things down and stops them.  It works against motion.
a)
acceleration
b)
mass
c)
gravity
d)
friction
33.
The soccer ball is sitting on the half line and Zach runs up to kick it.  What law will occur when he kicks it?
a)
An object at rest will remain at rest unless acted on by an unbalanced force.
b)
An object will remain motionless until it decides to move.
c)
The harder Zack kicks the ball, the less distance it will travel.
d)
Time travel has always been possible.  You just have to believe.
34.
If Brandon wants the  baseball to go far, he must use _________ force when he swings the bat.
a)
no
b)
equal
c)
less
d)
more
35.
Newton's first law that says an object at rest will remain at rest unless acted upon by an unbalanced force is also called the law of 
a)
acceleration
b)
inertia
c)
action and reaction
d)
may the force be with you
36.
A book weighs 4 N. When held at rest in your hands, the net force on the book is
 
a)
0 N.
b)
 0.4 N.
c)
 4 N.
d)
 39 N.
37.
A 20 kg bike accelerates at 10 m/s2.  what was the net force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
38.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
39.
Which of the following shows the direction of the friction force?
a)
A
b)
B
c)
C
d)
D
40.
How long will an object remain at rest, according to Newton's First Law of Motion?
a)
it can't rest
b)
until noon
c)
until an unbalanced force occurs
d)
as long as there are unbalanced forces acting on it 
41.
You pull a wagon with your younger sister in it. Which of these would accelerate the rate at which you can pull the wagon?
a)
pull the wagon with less force
b)
Pull the wagon with more force
c)
Have your sister push down on the wagon
d)
Put another of your siblings in the wagon
42.

(a)   can be defined as "mass in motion"

43.

All objects have mass; so if an object is moving, then it has momentum - it has its mass in motion.

a)

True

b)

False

44.

The amount of momentum that an object has is dependent upon two variables: ___________ and _____________. **there is more than one answer**

a)

if the object was made in the U.S.

b)

 how much stuff is moving

c)

gravity

d)

the type of objects

e)

how fast the stuff is moving

45.

Momentum depends upon the variables ______ and ______. **there is more than one answer**

a)

gravity

b)

mass

c)

time

d)

acceleration

e)

velocity

46.

Momentum is used as the symbol lower case __.

a)

a

b)

v

c)

c

d)

p

e)

m

47.

From the definition of momentum, it becomes obvious that an object has a large momentum if both its mass and its velocity are large.

a)

True

b)

False

48.

Objects at rest do not have momentum - they do not have any "mass in motion."

a)

True

b)

False

49.

A force acting for a given amount of time will change an object's momentum

a)

True

b)

False

50.

If you get the same number when solving for impulse and solving for momentum then you have ______ _______.

(a)