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Final Review Part 1

Total questions: 62

Worksheet time: 16hrs 30mins

Name
Class
Date
1.
During which interval is the object not moving?
a)
B to C
b)
C to D
c)
D to E
d)
only at point A
2.
Acceleration occurs when an object changes its speed or ______.
a)
direction
b)
force
c)
inertia
d)
mass
3.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
4.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
5.
This is a velocity-time graph.  What is the object doing in segment A?
a)
Positive acceleration
b)
Negative acceleration
c)
Constant Velocity
d)
Not moving
6.
This is a velocity-time graph.  What is the object doing in segment C?
a)
Positive acceleration
b)
Negative acceleration
c)
Constant Velocity
d)
Not moving
7.
Calculate the acceleration for segment A.
a)
2 m/s2
b)
20 m/s2
c)
-2 m/s2
d)
0 m/s2
8.
A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?
a)
50 miles
b)
25 miles
c)
100 miles
d)
75 miles
9.
A truck driving at 60 miles per hour travels 150 miles. How long is it driving for?
a)
9000 hours
b)
0.4 hours
c)
210 hours
d)
2.5 hours
10.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
11.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
12.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
13.
According to the graph how fast does the person travel in the first 5 seconds?
a)
2 m/s
b)
10 m/s
c)
12.5 m/s
d)
1 m/s
14.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
15.
The SI unit for acceleration is
a)
mph
b)
m/s
c)
m/s2
16.

When an object is moving, friction acts in the _______ direction as the motion.

a)

perpendicular

b)

same

c)

opposite

d)

precise

17.

The type of friction that prevents an object from moving is called _______ friction.

a)

rolling

b)

fluid

c)

kinetic

d)

static

18.

A type of friction that occurs when air pushes against a moving object it to decelerate.

a)

surface area

b)

air resistance

c)

velocity

d)

gravity

19.

How would the absence of friction affect the motion of a marble on a long, straight path?

a)

The marble's speed would decrease.

b)

The marble's speed would remain constant.

c)

The marble's speed would increase.

d)

The marble would stop immediately.

20.

Which of the following is an example of rolling kinetic friction?

a)

A box sliding across the floor.

b)

A car skidding to a stop.

c)

A soccer player making a slide tackle.

d)

A bike being ridden on a road.

21.

An object at rest remains at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force. This is an example of Newton's

a)

Second Law

b)

First Law

c)

Third Law

22.

If an object is stationary, it means

a)

the object is in motion

b)

the object is experiencing air resistance

c)

there are balanced forces acting on the object

d)

there are unbalanced forces acting on the object

23.

The tendency of an object to resist a change in its motion is called

a)

inertia

b)

friction

c)

tension

d)

gravity

24.

Without an unbalanced force, a moving object will not only keep moving, but its ______________________________ will also remain the same.

a)

force and motion

b)

speed and time

c)

speed and direction

d)

inertia and distance

25.

Which statement explains why you are thrown forward when the car you are riding in suddenly stops?

a)

You are pushed forward by the force of the car stopping

b)

The force of the crash accelerates you forward

c)

You are are in motion as the car is driving, and when it stops, your body continues to be in motion

d)

The car stopping must balance out by having you move forward

26.
A change in velocity over time is called ___________.
a)
speed
b)
force
c)
acceleration
d)
direction
27.
The increasing speed of a falling object is caused by _____________.
a)
force
b)
mass
c)
speed
d)
gravity
28.

F= mass * acceleration

A 20 kg bike accelerates at 10 m/s2. what is the force acting upon it?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

29.

An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required?

a)

20 N

b)

2 N

c)

5 N

d)

0 N

30.

What Unit do we Measure Force in?

a)

Newtons

b)

Joules

c)

Volts

d)

Lumens

31.
How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?
a)
36 N
b)
12 N
c)
3 N
d)
0.33 N
32.

According to Newton's second Law, which would take more force to slow down?

a)

The silver car

b)

The green car

c)

They would both take the same force

33.
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
34.
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
a)
Air resistance against the bow
b)
the arrow's push against the bowstring
c)
the grip of the archer's hand on the bow
35.
A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...
a)
The grip of the player's hands on the ball
b)
the air resistance of the ball
c)
the force of the ball against the bat
36.
A baseball player bats a ball with a force of 1,000 N. The ball exerts a reaction force (without any additional forces action on it) against the bat of...
a)
Less than 1, 000 N
b)
1,000 N
c)
More than 1,000 N
37.
What is the reaction force to a foot pushing down on the floor?
a)
The foot going through the floor
b)
The floor pushing back against the foot
c)
The floor breaking to the foot
38.
According to Newton's Third law the strength or magnitude of forces will be...
a)
smaller
b)
equal
c)
larger
39.
According to Newton's third law forces come in pairs?
a)
True
b)
False
40.

Momentum is the product of mass and velocity

a)

TRUE

b)

FALSE

41.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
42.
An object with a mass of 2000 kg at rest has what momentum?
a)
2000 kg m/sec
b)
0 kg m/sec
c)
2000 kg
d)
2000 m/sec
43.
A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?
a)
22 m/s
b)
.2 m/s
c)
5.0 m/s
d)
20 m/s
44.

A car is of mass 15kg is travelling east at a velocity of 3m/s. the value of its momentum is:

a)

30kg.m.s-1

b)

45kg.m.s-1

c)

18kg.m.s-1

d)

5kg.m.s-1

45.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
46.

What is potential energy?

a)

The energy an object has due to its atomic structure.

b)

The energy an object has due to its chemical composition.

c)

The energy an object has due to its motion.

d)

The energy an object has due to its position or condition.

47.

What is kinetic energy?

a)

The energy an object has due to its position or condition

b)

The energy an object has due to its motion

c)

The energy an object has due to its chemical composition

d)

The energy an object has due to its atomic structure

48.

When does an object have no kinetic energy?

a)

When it's at rest.

b)

When it's moving very slowly.

c)

When the only force that's acting on it is gravity.

d)

When it has no electrical charge.

49.

When is potential energy transformed into kinetic energy?

a)

When an object at rest is lifted to a higher elevation.

b)

When an object at rest remains at rest.

c)

When an object at rest is put into motion.

d)

When an object in motion is stopped and put at rest.

50.

Potential energy is...

a)

energy in motion

b)

stored energy

51.

What two factors affect an object's potential energy?

a)

area and volume

b)

area and height

c)

mass and height

d)

mass and velocity

52.

The least amount of potential energy is at

a)

a

b)

b

c)

c

d)

d

53.

The most potential energy is at

a)

a

b)

b

c)

c

d)

d

54.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
55.

What is the formula for Gravitational Potential Energy?

a)

PE = mgh

b)

KE = 1/2mv2

c)

W = Fd

d)

P = W/t

56.

What is the formula for Kinetic Energy?

a)

PE = mgh

b)

KE = 1/2mv2

c)

W = Fd

d)

P = W/t

57.

What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s?

a)

80 J

b)

3.2 J

c)

160 J

d)

40 J

58.

What is the kinetic energy of a zorb and human with a total mass of 90Kg rolling at 10m/s?

a)

3,700J

b)

900J

c)

4,500J

d)

6,500J

59.
A 3 kg bowling ball is lifted 1.5 m off the ground. What is its GPE?
a)
4.5 J
b)
2 J
c)
44.1 J
d)
0.5 J
60.

A crate with a mass of 15.3 kg is pulled 9.2 m up in order to place it on top of a shelf. Calculate the GPE of the crate.

a)

140.76 J

b)

1.66 J

c)

1,379.4 J

d)

5.89 J

61.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
62.
The SI unit in which kinetic energy is measured is 
a)
Newton
b)
Kilogram
c)
Joules
d)
Metres per second