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POE EOC Review (Newton's Laws, Trig, Structural Prop)

Total questions: 85

Worksheet time: 3hrs 12mins

Name
Class
Date
1.

SOH CAH TOA

a)

S

1.

sin

b)

C

2.

cos

c)

T

3.

tan

d)

o

4.

opposite

e)

a

5.

adjacent

2.
Which trig function would you use with this diagram?
a)
Sin
b)
Cos
c)
Tan
d)
Wha??
3.
What is the side across from the right angle called?
a)
Leg
b)
Pythagoras
c)
Hypotenuse
d)
Altitude
4.
What is the side across from the right angle called?
a)
Leg
b)
Pythagoras
c)
Hypotenuse
d)
Altitude
5.
Which trig function would you use with this diagram?
a)
Sin
b)
Cos
c)
Tan
d)
Wha??
6.
What is the correct ratio?
a)
sin 40 = w/28
b)
cos 40 = w/28
c)
tan 40 = w/28
d)
sin 40 = 28/w
7.
Which is the correct ratio?
a)
sin 28 = x/14
b)
cos 28 = x/14
c)
tan 28 = x/14
d)
tan 28 = 14/x
8.
What is the cosine of angle P?
a)
p/q
b)
q/r
c)
p/r
d)
r/q
9.

Find cos A

a)

30/16

b)

30/34

c)

30/15

d)

16/34

10.

FInd tan X

a)

32/40

b)

40/24

c)

32/24

d)

24/32

11.
What does SOH stand for
a)
hypotenuse over opposite
b)
adjacent over opposite
opposite over adjacent
c)
opposite over hypotenuse
d)
adjacent over adjacent
12.

What does CAH stand for

a)

cosine is the adjective over the hypotenuse.

b)

cosine is the adjacent side over the hypotenuse side.

c)

cosine is the adjacent side over the hippopotamus.

d)

cosine is the hypotenuse side over the adjacent side.

13.

Which Trig function would you use to solve this problem?

a)

Sine

b)

Cosine

c)

Tangent

d)

Pythagorean Theorem

14.

Use a calculator to find sin 45.

a)

.707

b)

1

c)

.809

d)

1.4

15.

Use a calculator to find the cos 70.

a)

.12

b)

2.7

c)

.94

d)

.34

16.

Use the calculator to find tan 60

a)

.87

b)

1.7

c)

.5

d)

.11

17.

Use a calculator to find cos 0

a)

4

b)

3

c)

2

d)

1

18.

Use a calculator to find sin 100

a)

.98

b)

.17

c)

-5.6

d)

.76

19.
What is the acronym to help you remember the ratios to use in trigonometry?
a)
RIGHTANG
b)
SOHCAHTOA
c)
SHOCHATOA
20.
What leg is considered the hypotenuse?
a)
Any side
b)
the side opposite the smallest angle
c)
the side opposite the right angle
d)
the side opposite the shortest leg
21.
What type of triangles do you use the trig ratios with?
a)
any type
b)
right triangle
c)
obtuse triangle
d)
acute triangle
22.
 FInd tanX
a)
32/40
b)
40/24
c)
32/24
d)
24/32
23.
 Find cosA
a)
30/16
b)
30/34
c)
30/15
d)
16/34
24.
 Find sinA
a)
32/40
b)
32/24
c)
24/40
d)
24/32
25.

Find the length of the missing side x...


Round your answer to 1 decimal place.

a)

15.1 cm

b)

15.2 cm

c)

10.1 cm

d)

10.2 cm

26.

Find the length of the missing side x...


Round your answer to 1 decimal place.

a)

3.8 cm

b)

28.8 cm

c)

3.9 cm

d)

3.6 cm

27.

Find the length of the missing side x...


Round your answer to 1 decimal place.

a)

5.7 cm

b)

5.8 cm

c)

17.1 cm

d)

8.6 cm

28.

Find the length of the missing side x...


Round your answer to 1 decimal place.

a)

8.7 cm

b)

10.2 cm

c)

12.3 cm

d)

8.6 cm

29.

Solve for the missing angle.

a)

32°

b)

44°

c)

61°

d)

50°

30.
Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle
a)
33°
b)
49°
c)
39°
d)
41°
31.

Which trig equation would you use to find the measure of the indicated angle (?)

a)

tan⁡(θ)=54\tan\left(\theta\right)=\frac{5}{4}

b)

sin⁡(θ)=45\sin\left(\theta\right)=\frac{4}{5}

c)

cos⁡(θ)=54\cos\left(\theta\right)=\frac{5}{4}

d)

cos⁡(θ)=45\cos\left(\theta\right)=\frac{4}{5}

32.
What is the ratio for Sine?
a)
Hyp/Opp
b)
Opp/Hyp
c)
Opp/Adj
d)
Adj/Opp
33.

What is the ratio for Tangent

a)

Opp/Adj

b)

Adj/Opp

c)

Opp/Hyp

d)

Hyp/Opp

34.
What is the ratio for Cosine?
a)
Opp/Hyp
b)
Opp/Adj
c)
Adj/Opp
d)
Adj/Hyp
35.

Set up the problem so that you can solve for X.

a)

sin X = 41/28

b)

tan X = 41/28

c)

cos X = 28/41

d)

sin X = 28/41

36.
Find the measure of the indicated angle (?) round to the nearest tenth.
a)
9.4
b)
55.2
c)
20.15
d)
19.4
37.
Find the measure of the indicated angle (?) round to the nearest tenth.
a)
9.4
b)
55.2
c)
20.15
d)
19.4
38.

Find the missing angle θ

a)

27.98o

b)

29.24o

c)

26.75o

d)

45o

39.

What is a net force? Choose all correct choices.

a)

One force than can replace all other forces acting on an object or system.

b)

The vector sum of all the forces acting on an object or system.

c)

The vector sum of just two of the forces acting on an object.

d)

The sum of the magnitudes of all the forces acting on an action.

40.

A 25-N ball is in a lake. If the upward force on the ball due to the water (buoyant force) is 15-N, what is the magnitude (size) of the net force acting on the ball?

a)

0-N

b)

10-N

c)

40-N

d)

50-N

41.

Two forces are acting on it as shown.


What is the net force acting on the plane?

a)

8,000 N to the right.

b)

8,000 N to the left.

c)

13,000 N to the right.

d)

13,000 N to the left.

42.

A 10-N falling object encounters 10-N of air resistance. The magnitude of the net force on the object is

a)

0-N

b)

10-N

c)

14-N

d)

20-N

43.

A 75-kg wagon is being pulled in the horizontal direction by a 225-N force. There is a frictional force acting on the wagon of 38-N. What is the net force on this wagon?

a)

187-N

b)

112-N

c)

225-N

d)

38-N

44.

What does it mean for an object to be in equilibrium? Select ALL correct answers.

a)

It has no net force acting on it.

b)

The forces acting on the object all cancel out.

c)

The forces acting on an object balance out.

d)

The sum of all the forces acting on an object is 0.

e)

The object is ONLY at rest.

45.

The free body diagram of four boxes are shown below. Which box is in equilibrium?

a)
b)
c)
d)
46.

What is the difference between mass and weight? Choose ALL correct answers!!!

a)

Mass is measured in kilograms and weight is measured in Newtons.

b)

Mass is a scalar while weight is a vector.

c)

Weight is affected by gravity but mass isn't.

d)

There is no difference because mass & weight are the same thing.

47.

What is the mass of a 3000-N rock?

a)

30.6-kg

b)

306-kg

c)

3060-kg

d)

3.06-kg

48.

You are riding in a car without wearing a seat belt and the car hits a tree and stops. Which of the reasons below best explains why you fly forward and hit the dashboard of the car?

a)

There is no longer any force on the car. Since you were not wearing your seat belt the force is still on you pushing you forward until the dashboard cancelled it out.

b)

Because the force was only applied to the car. Since you were not wearing your seat belt you continued moving forward until the dashboard stopped you.

c)

The force was applied to the tree and to you since you were in the car. This force on you would actually cause you to fly out the back window of the car.

d)

Since the car was stopped you were also stopped and would not have hit the dashboard.

49.

The diagram shows the mass and velocity of four carts.


Which cart has the greatest inertia?

a)

The 3-kg cart

b)

The 2-kg cart

c)

The 8-kg cart

d)

The 5-kg cart

50.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
51.
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 
52.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
53.

This equation goes with which law?

a)

Newton's first law of motion

b)

Newton's second law of motion

c)

Newton's third law of motion

54.

A person is pushed forward into their seat belt when a car stops. Which law is this?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

55.
Which of Newton's laws are illustrated with a rocket launch?
a)
1st Law, the Law of Inertia. 
b)
2nd Law, the Law of Acceleration.
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
56.

When the force on a car is doubled, the acceleration is doubled.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

57.

You push against a wall and the wall is pushing back on you.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

58.

You are carrying a lunch tray when you bump into the edge of a table. Although the tray did not tip, your milk falls off of the front of the tray.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

59.

Which law best explains why more force must be applied to the bowling ball to make it accelerate at the same rate as the tennis ball.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

60.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
61.

A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?

a)

Law 1

b)

Law 2

c)

Law 3

62.

Which of the following has more inertia?

a)

Bowling ball

b)

Tennis ball

63.

Which of the following has less inertia?

a)

Feather

b)

Hammer

64.

What measurement is used to measure force?

a)

Newtons

b)

Kelvin

c)

Kilos

d)

Moles

65.

A stationery object must have no forces acting on it. (True or False)

(a)  

66.

When all individual forces acting on an object are balanced, it is the natural tendency of an object to _____. List all that apply in alphabetical order with no spaces between letters.

a)

maintain its state of motion

b)

eventually stop

c)

accelerate

d)

either speed up, slow down or keep the same speed

e)

keep its velocity constant (either at a zero or non-zero value)

67.

The sketch shows a top view of a rock being whirled at the end of a string (clockwise). If the string breaks, the path of the rock is

a)

A

b)

B

c)

C

d)

D

68.

Which has the MOST inertia?

a)
b)
c)
d)
69.

Who would cause more damage when leaping over a small building?

a)
b)
c)
d)
70.

What is the moment of inertia for the following structural member?

a)

632.81 in4632.81\ in^4

b)

118.65 in4118.65\ in^4

c)

52.73 in452.73\ in^4

d)

2.10 in42.10\ in^4

71.

The joists moment of inertia is?

a)

594.44 in4594.44\ in^4  

b)

48.52 in448.52\ in^4  

c)

1.60 in41.60\ in^4  

d)

19.65 in419.65\ in^4  

72.

What units is Moment of Inertia measured in?

a)

in4

b)

psi

c)

in2

d)

lbf

73.

What units is Modulus of Elasticity measured in?

a)

in4

b)

in2

c)

psi

d)

lbf

74.

Modulus of elasticity is the ratio of _________.

a)

stress to constant

b)

strain to constant

c)

strain to stress

d)

stress to strain

75.

The modulus of elasticity corresponding to change in length is called as ________.

a)

Young's modulus

b)

Bulk modulus

c)

Modulus of rigidity

d)

Modulus of length

76.

We can walk because of the (a)   between our feet and ground.

77.

What's Equation for find stress?

a)

σ = F+A

b)

σ = A/F

c)

σ = F/A

d)

σ = FA

78.

What's equation of strain?

a)

ε = ΔL+L0

b)

ε = ΔL-L0

c)

ε = ΔL⋅L0

d)

ε = ΔL/L0

79.

What is the centroid of the following object?

a)

X=0.85 in, Y=2 in

b)

X=2 in, Y=0.85 in

c)

X=2 in, Y=1.7 in

d)

X=1.7 in, Y=2 in

80.

Which picture represents compression?

a)
b)
c)
d)
81.

Which type of force is represented in this image:

(a)  

82.

A pulling force acting in opposite directions

a)

Tension

b)

Torsion

c)

Shear

d)

Roofing

83.

A physical force that presses inward on an object

a)

Decking

b)

Dead Load

c)

Tension

d)

Compression

84.

Speeding up and slowing down are changes in ______________.

a)

Acceleration

b)

Turning

85.

What direction is the car (the frame of reference) accelerating?

a)

Forward

b)

Backward

c)

Right

d)

Left

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