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Physics End of Year Final Review

Total questions: 105

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

A vector is a quantity that has

a)

magnitude and time

b)

time and direction

c)

magnitude and direction

d)

direction and rhythm 

2.

A scalar is a quantity that has

a)

direction

b)

magnitude

c)

time

d)

color

3.
Which of the following would NOT be considered a projectile? 
a)
a cannonball thrown straight up
b)
a cannon ball rolling down a slope
c)
a cannonball rolling off a table
d)
a cannonball thrown in the air
4.
The horizontal component of a projectile's velocity is independent of...
a)
it's range
b)
time
c)
the vertical component
d)
none of these
5.
In the absence of air friction, the vertical component of a projectile's velocity doesn't change as the projectile moves. 
a)
True
b)
False
c)
Sometimes true
d)
Sometimes false
6.
In the absence of air friction, the horizontal component of a projectile's velocity doesn't change as the projectile moves. 
a)
True
b)
False
c)
Sometimes true
d)
Sometimes false
7.
A ball is thrown into the air at some angle. At the very top of the ball's path, its velocity is
a)
entirely vertical
b)
both vertical and horizontal
c)
entirely horizontal
d)
not enough info
8.
At the instant a ball is thrown horizontally with a large force, an identical ball is dropped from the same height. Which ball hits the ground first? 
a)
Neither- they hit at the same time
b)
the horizontally thrown ball
c)
the dropped ball
d)
None of these
9.

Match each term with its formal physics definition

a)

Displacement

1.

The position of an object relative to its starting location

b)

Velocity

2.

The rate of change of displacement

c)

Acceleration

3.

The rate of change of velocity

d)

Vector

4.

A quantity with a magnitude and a direction

e)

Scalar

5.

A quantity with magnitude, but no direction

10.

At the top of a projectile's path, its vertical velocity is:

a)

Positive

b)

Zero

c)

Negative

11.

A projectile is launched with an initial horizontal velocity of 4 m/s. It hits the ground 3 seconds later. How far has it gone horizontally?

(a)  

12.

A projectile has a path shaped like a _____.

a)

ebola

b)

parabola

c)

elliptical

d)

circle

13.

A ball is thrown horizontally from the top of a hill. Is it accelerating?

a)

Yes, but only vertically

b)

Yes, but only horizontally

c)

Yes it is accelerating horizontally and vertically

d)

No, it is not accelerating at all

14.

Vertical means ____________

a)

up and down

b)

left to right

c)

side to side

d)

diagonally

15.

Horizontal means

a)

up and down

b)

left to right

c)

in a circle

d)

diagonally

16.

Which force is the only one that acts on a projectile in free fall?

a)

friction

b)

gravity

c)

normal force

d)

tension force

17.

What direction is the velocity vector for an object thrown straight up at 10 m/s and allowed to act under the influence of gravity?

a)

down on the way up and up on the way down

b)

down on the way up and down on the way down

c)

up on the way up and down on the way down

18.

What direction is the acceleration vector for an object thrown straight up at 10 m/s and allowed to act under the influence of gravity?

a)

up on the way up and down on the way down

b)

down on the way up and down on the way down

c)

down for both

19.

How can the vertical velocity be zero but the acceleration be -10 m/s/s?

a)

the object is moving upward against gravity

b)

the object is moving downward at that instant in time

c)

gravity is the acceleration and it never turns "off"

20.

A ball is thrown straight up in the air. After it reaches its peak and is 1 second into its treck back downward what is its velocity? (hint: how fast is it going at the top of its path?)

a)

100 mps

b)

1 mps

c)

10 mps

d)

1000 mps

21.

A soccer ball is kicked with an initial velocity of 36 m/s at an angle of 50 degrees. What is the vertical speed at point C?

a)

50 m/s  

b)

-9.8 m/s

c)

0 m/s

d)

36 m/s

22.

A soccer ball is kicked with an initial velocity of 36 m/s at an angle of 50 degrees. What is the vertical acceleration at point B?

a)

50 ms2\frac{m}{s^2}  

b)

-9.8 ms2\frac{m}{s^2}

c)

0 ms2\frac{m}{s^2}

d)

36 ms2\frac{m}{s^2}

23.

A soccer ball is kicked with an initial velocity of 36 m/s at an angle of 50 degrees. What is the vertical acceleration at point C?

a)

50 ms2\frac{m}{s^2}  

b)

-9.8 ms2\frac{m}{s^2}

c)

0 ms2\frac{m}{s^2}

d)

36 ms2\frac{m}{s^2}

24.

A soccer ball is kicked with an initial velocity of 36 m/s at an angle of 50 degrees. What is the horizontal acceleration at point C?

a)

50 ms2\frac{m}{s^2}  

b)

-9.8 ms2\frac{m}{s^2}

c)

0 ms2\frac{m}{s^2}

d)

36 ms2\frac{m}{s^2}

25.

The soccer ball has an initial horizontal velocity of 34 m/s at point A. What is the horizontal velocity at point B?

a)

24 m/s  

b)

-9.8 m/s

c)

34 m/s

d)

0 m/s

26.

A ball thrown straight up takes 8 total seconds to complete its journey all the way up and down. 1 second into its journey and 7 seconds into its journey the magnitude of its velocity will be ______________ and its direction _______________.

a)

opposite, the same

b)

the same, opposite

c)

the same, the same

d)

opposite, opposite

27.

Which of the following statements about the horizontal and vertical components of projectile motion is true?

a)

Changes in the horizontal component occur only when the vertical component changes.

b)

Both the horizontal and vertical components are always constant.

c)

The vertical component changes while the horizontal component stays the same.

d)

The horizontal and vertical components are dependent of each other.

28.

Victor Velocity is standing on top of the roof of his house, firing stones with his slingshot over a level field. He is aiming straight outward, horizontally. If Victor pulls back harder on the sling to shoot a stone, which of the following quantities will be changed?

a)

The vertical displacement of the stone.

b)

The distance the stone travels, and the horizontal velocity.

c)

The time it takes the stone to strike the ground, and the horizontal velocity.

29.

Vector is a quantity with:

a)

magnitude and direction

b)

magnitude

c)

direction

d)

none of the above

30.
A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?  
a)
40 metres, South
b)
50 metres, South
c)
50 metres, North
d)
40 metres, North 
31.
Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots
a)
Scalar
b)
Vector
32.
If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?
a)
20m
b)
40m
c)
0m
d)
-20m
33.
Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west
a)
Scalar
b)
Vector
34.

How far has a car going 20 m/s gone in 2 seconds?

a)

20 m

b)

40 m

c)

60 m

d)

80 m

35.

A car starts out going 0 m/s and has an acceleration of 2 m/s2 . How far has it gone in 12 s?

a)

2 m

b)

12 m

c)

24 m

d)

144 m

36.

For a lever to move, do forces have to be balanced or unbalanced

a)

balanced

b)

unbalanced

37.

You need to lift a heavy statue 30 feet into the air. Which simple machine would be best to use?

a)

Wheel and Axle

b)

Inclined Plane

c)

Pulley

d)

Wedge

38.

This is a rod balanced on a fixed point that can help

lift a heavy weight with less effort.

a)

pulley

b)

inclined plane

c)

wheel and axle

d)

lever

39.

This machine uses wheels and a rope to raise, lower, or move a load

a)

pulley

b)

inclined plane

c)

wheel and axle

d)

lever

40.

This is any slope or ramp that makes it easier to lift something.

a)

pulley

b)

inclined plane

c)

wheel and axle

d)

lever

41.

This is an inclined plane wrapped in a spiral

a)

screw

b)

inclined plane

c)

wheel and axle

d)

wedge

42.

Match the following

a)

jar lid

1.

screw

b)

window shade

2.

pulley

c)

axe

3.

wedge

d)

stairs

4.

inclined plane

e)

scissors

5.

lever

43.

How does a wheel barrow helps us to work easier?

a)

It can carry heavy load of soil and other construction materials

b)

It stops the motion of the object

c)

It can move without pushing it

d)

It can clean the surroundings

44.

Simple machines have...

a)

a lots of parts

b)

a few parts

45.
a)

Pulley

b)

Inclined plane

c)

Lever

d)

Screw

e)

Wheel and axle

46.
a)

Wedge

b)

Wheel and axle

c)

Screw

d)

Pulley

e)

Lever

47.
a)

Pulley

b)

Lever

c)

Wedge

d)

Screw

e)

Inclined plane

48.
a)

Wheel and axle

b)

Inclined plane

c)

Pulley

d)

Wedge

e)

Lever

49.
a)

Wedge

b)

Lever

c)

Pulley

d)

Wheel and axle

e)

Screw

50.
a)

Wedge

b)

Screw

c)

Lever

d)

Inclined Plane

e)

Pulley

51.

Complex machines have...

a)

a few parts

b)

lots of parts

52.

Types of machines...

a)

simple and complete machines

b)

simple and complex machines

c)

simple and non-simple machines

d)

compound and essential machines

53.

What are complex machines?

a)

They are made of one simple machines like a wheel

b)

They are made of two or more simple objects

c)

They are made of two or more compound machines

d)

They are made of two or more simple machines

54.

Two of these are complex machines. Which ones?

a)

Cars

b)

Wheel

c)

Bicycles

d)

Pulley

55.

What is a lever?

a)

It is a flexible bar that rests on a fixed point.

b)

It is a rigid circle that rests on a fixed point.

c)

It is a rigid bar that rests on a fixed point.

56.

Examples of simple machines: (choose three)

a)

Wheel and axle

b)

Bike

c)

Pulley

d)

Wedge

e)

Train

57.

Name this simple machine.

a)

Lever

b)

Wedge

c)

Pulley

d)

Inclined Plane

58.

Name this simple machine.

a)

Pulley

b)

Wheel and Axle

c)

Inclined Plane

d)

Lever

59.

Which simple machine is used in a wheelchair?

a)

ramp

b)

pulley

c)

wheel and axle

60.

What is the point that is on top of the triangle under the rod?

a)

pulley

b)

ramp

c)

fulcrum

61.

What happens if you decrease the distance between

the fulcrum and the load?

a)

You use more force

b)

You use less force

c)

You use a fulcrum

62.

Where is the fulcrum in CLASS-1 LEVER?

a)

in the middle

b)

at one end

c)

under the rod

63.

If the distance over which the work is done is longer, the force becomes ..........

a)

more

b)

less

c)

the same

64.

What defines a third-class lever?

a)

The fulcrum is in the exact center

b)

The fulcrum is between the effort and the load

c)

The fulcrum and effort are at the same end

65.

A simple machine is a device that helps to reduce the amount of _____ required to do the same amount of work.

a)

force

b)

energy

c)

work

66.
How can an incline plane reduce the amount of force required to lift an object?
a)
increase the length of the ramp
b)
increase the height of the ramp
c)
decrease the length of the ramp
67.
What type of work would a pulley help a person to do?
a)
cut food
b)
make a seesaw
c)
lift a car engine
d)
hold pieces of wood together
68.

________________ is done whenever a force moves an object a distance.

a)

Load

b)

Friction

c)

Force

d)

Work

69.

How can simple machines make work easier?

a)

by decreasing the force needed to complete the task

b)

by increasing the friction between the machine and the object

c)

by adding more work on the object than originally applied

d)

by removing the force of gravity on the object

70.

Simple machines can make work easier by reducing the input force needed to move an object. However, there is a trade off for decreased input. What is the trade off?

a)

The distance the object is moved is increased.

b)

The distance the object is moved is decreased.

c)

The amount of work is increased.

d)

The amount of work is decreased.

71.

A simple machine that splits an object apart is a _______.

a)

Wheel and Axel

b)

fulcrum

c)

wedge

d)

lever

72.

A ramp is an example of a(n) _______.

a)

inclined plane

b)

fulcrum

c)

force

d)

lever

73.

The bow or front of a boat splits the water as the boat moves. What kind of simple machine would the bow of the boat be?

a)

wedge

b)

screw

c)

ramp

d)

lever

74.

Using the back of a hammer makes it much easier to remove a nail from a wooden board. What kind of simple machine would the hammer be classified as if you are using it for this purpose?

a)

Wedge

b)

Lever

c)

Pullye

d)

Inclined Plane

75.

What is the formula needed to solve for work?

a)

w = f/d

b)

w = f*d

c)

w = f+d

76.

If you push a cart with a force of 60 N for 2 m, how much work have you done?

a)

120 J

b)

30 J

c)

120 N

d)

30 N

77.

Two people shove on a wall with 100 N of force. The wall does not move. How much work have they done?

a)

100J

b)

100N

c)

0J

d)

0N

78.

A 100 Newton force is applied to move a 15 kg object a distance of 5 meters. How much work is done?

a)
20 Joules
b)
75 Joules
c)
500 Joules
d)

1500 Joules

79.

Which type of energy has to do with objects in motion?

a)

Potential

b)

Kinetic

80.

Which of these has the most potential energy.

a)

A

b)

B

c)

C

d)

D

81.

Which of the following is stored energy?

a)

Kinetic Energy

b)

Potential Energy

82.

Which is an example kinetic energy?

a)

A parked car

b)

A car racing on the track

83.

Where does the waterfall have more potential energy?

a)

At the very top of the waterfall, right before the water falls down.

b)

As the water is falling down the waterfall.

84.

What type of energy is an arrow zooming toward a target?

a)

Kinetic Energy

b)

Potential Energy

85.

What type of energy is an arrow that is about to be released?

a)

Kinetic Energy

b)

Potential Energy

86.

When we're talking about a pendulum, what does T stand for?

a)

pi

b)

period

c)

length

d)

gravity

87.

What is the unit for the period of a pendulum?

a)

second

b)

meter

c)

m/s/s

d)

Newton

88.

Which of these does not affect the period of a pendulum?

a)

length

b)

gravity

c)

mass

89.

A pair of trapeze performers at the circus is swinging from ropes attached to a large elevated platform. Suppose that the performers can be treated as a simple pendulum with a length of 16 m. Determine the period for one complete back and forth cycle. (Useful equations are on the board).

a)

2 sec

b)

12 sec

c)

8 sec

d)

10 sec

90.

Which would have the longest period?

Pendulum A: A 200-g mass attached to a 1.0-m length string

Pendulum B: A 400-g mass attached to a 0.5-m length string

a)

A

b)

B

c)

Same

91.

What happens to water when you put it in a vacuum?

a)

It starts to boil because of the release of pressure.

b)

It just sits there.

c)

It gets really hot. If you leave it long enough it might get hot enough to boil.

d)

It spontaneously disappears.

92.

What is a Barometer?

a)

It is a device that is used to measure water temperature.

b)

It is a device that is used to measure pressure in water mains.

c)

It is a device that measures atmospheric pressure.

d)

It is a device that measures the length of bars in meters.

93.

What is the purpose of a water tower?

a)

To store water for later

b)

To maintain constant pressure in the water mains.

c)

To tell you what town you just entered.

d)

To reduce pressure at the water treatment plant.

94.

Which situation produces more pressure on the floor?

a)

standing on one foot

b)

standing on two feet

c)

standing on four feet

d)

all produce the same pressure

95.

Which situation produces more force on the floor?

a)

standing on one foot

b)

standing on two feet

c)

standing on four feet

d)

all produce the same force

96.
Pressure is equal to force divided by what
a)
area
b)
mass
c)
time
d)
distance
97.
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
98.
The amount of force pushing on an area is the definition of....
a)
Fluid
b)
Viscosity
c)
Barometer
d)
Pressure
99.

Which one of the following is an example of a hydraulically operated machine?

a)

A wheel barrow

b)

A laptop computer

c)

A bulldozer

d)

A vacuum cleaner

100.

Which of the following sentence is true?

a)

Gases are easy to squish

b)

Liquids are easy to squish

101.

The basic idea behind any hydraulic system is very simple: Force that is applied at one point is tranitted to another point using________

a)

A compressible fluid

b)

An incompressible fluid

c)

A cold compress

d)

A hot compress

102.
True or false... "mass" is the exact same thing as "weight"?
a)
True
b)
False
103.
According to Bernoulli's Principle, when the wind speed is high, wind pressure is ________
a)
high
b)
low
c)
not enough information
d)
None of the above
104.
Fluids are any substances that flow and that take the shape of their container.
a)
True
b)
False
105.
Bernoulli’s Principle explains how an airplane can stay aloft.
a)
True
b)
False