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test#2 force =mxa use the study guides ppts on google class

Total questions: 105

Worksheet time: 2hrs 16mins

Name
Class
Date
1.

on slide# 20 from Chapter 3 Friction and Newton Laws PPT.pptx on G class posted 2/9/20

What units canceled out?

a)

mg

b)

m/s

c)

kg

d)

m/s2

2.

choose all examples & definitions of Force

(hint-some ?'s like this 1 have multiple answers)

a)

your " friend" pushing you in the back down the stairs

b)

applied look by you @ your phone

c)

Gravity,friction, applied push or pull

d)
e)
3.

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

a)

100 m/s2

b)

25,000 m/s2

c)

10 m/s2

d)

25 m/s2

4.

The total of all of the forces acting on an object

( pic is for help/hint)

a)

Net Force

b)

Inertia

c)

Gravity

d)

Newton

e)
5.

The tendency to resist a change in motion

a)

Net Force

b)

Gravity

c)

Inertia

d)

Balanced Forces

6.

When the net force adds up to zero, the forces ____.

Hint - if you earn 100$ into account but spend 110$ this would be unbalanced)

If you get paid $100 in pocket but then spend $100 out ur pocket =balanced cause the net pay is ______.

how many dollar you left with

answer both questions in blue .

a)

unbalanced

b)

balanced

c)

0

d)

100

7.
When the net force does not add up to zero, the forces are ____
a)
balanced
b)
unbalanced
8.

Acceleration results from forces that are ____.

something can only get faster or accelerate if it has an net force acting on it. A car only gets faster when you push the gas (net force from engine) or rolling down hill (net force applied by or from ___________)

a)

balanced

b)

unbalanced

c)

gravity pulling the car downhill

d)

grandma sitting in the backseat

e)

lemon pepper wings and broccoli

9.

Constant velocity results from forces that are ____

a)

balanced

b)

unbalanced

10.

The force that results from contact between any two objects

a)

Friction

b)

Gravity

c)

Inertia

d)

Net Force

11.
Motion is always opposed by this force
a)
Gravity
b)
Inertia
c)
Friction
d)
Net Force
12.

SI unit of force

a)

kilogram, kg

b)

kg x m/s/s

c)

kg x m/s2

d)

newton, N

e)

kL x m/s2

13.
Newton's 2nd Law of Motion gives us the formula, ____
a)
F = mv
b)
F = ma
c)
F = dt
d)
F = vt
14.
The relationship between force, mass, and acceleration is explained in Newton's ____ Law of Motion.
a)
1st
b)
2nd
c)
3rd
d)
4th
15.

__________________ describes the speed and direction of an object.

a)

position

b)

motion

c)

velocity

d)

speed

16.

___________________ is a change in position over time.

a)

position

b)

motion

c)

velocity

d)

speed

17.

________________is the distance moved in a given time.

a)

position

b)

motion

c)

velocity

d)

speed

18.

____________________is a location to which you compare other locations

a)

position

b)

location

c)

reference point

d)

net force

19.

If an object of 100 g exerts a force of 400N on an object with a mass of 500g, what force does the 500g object exert back on the 100g object?

a)

400 N

b)

2000 N

c)

100n

d)

5000n

20.

If school is 1000 meters away, what is my speed if I can get there in 100 seconds?

a)

1m/s

b)

10 m/s

c)

100 m/s

d)

none of these

21.

Why does a passenger continue to move forward after the driver slams on the brakes in a car?

a)

1st Law: inertia

b)

2nd Law: Acceleration

c)

3rd Law: action-reaction

d)

Sponge Bob is a good driver.

22.

1)Who has the slowest average speed?

2)The steeper the incline the faster the speed on a distance vs time graph. true or false

a)

biker

b)

false

c)

walker

d)

cannot be determined from this graph

e)

true

23.

Who is showing positive acceleration? use Chapter 2_speed and acceleration ppt slide 51 or bk page 48 phy sci.

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

24.

If you are riding a scooter and you drag your foot behind you, what kind of acceleration does that cause?

2answers

a)

positive acceleration

b)

negative acceleration

c)

centripetal acceleration

d)

deceleration because that word means negative acceleration

25.

What is the net force?

a)

950 N

b)

50 N

c)

950 N to the left

d)

50 N to the left

26.

If you and your friend are moving a box to the left, and she is using a net force of 10N and you are using a net force of 20 N what is the net force on the box?

picture is just to help you solve the word problem above

a)

10N left

b)

30 N left

c)

10 N right

d)

30 N right

27.
This model shows the forces applied to a box.  However, this model DOES NOT show ________________________.
a)
the forces acting in opposite directions
b)
that the forces are unequal
c)
that student B is pushing harder
d)
the actual amount of the forces
28.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
29.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
30.
Force depends on
a)
Force
b)
mass
c)
acceleration
d)
mass and acceleration 
31.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
32.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
33.
LT4: The graph shows Ashley riding her bike to Maria's house. 
What is occurring from point A to point B?
a)
they are traveling at a constant speed
b)
they are decreasing in speed
c)
they stopped to take a break
34.

LT4: The graph shows Ashley riding her bike to Maria's house.

What was occurring from point B to point C?


read slides 43 thru 49 answers. Chapter 2_speed and acceleration ppt study guide.

a)

She was increasing her speed.

b)

She stopped for 4 minutes

c)

She was decreasing in speed

35.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
36.

The momentum of an object depends upon the object's ___________&_____________. also choose the correct slide number from Chapter 3 Friction and Newton Laws PPT.pptx posted on feb 9th google classroom

a)

size and shape slide 55

b)

mass and speed

c)

mass and veloctiy

d)

mass and energy

e)

slide 48

37.

Momentum is a property of.....?

what slide in ppt tells you this.

a)

velocity

b)

moving objects

c)

non-moving objects

d)

slide 48

e)

slide 53

38.
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
39.
Jorge stays after class to work on is science homework and is late for hockey practice. He decides to run so the coach won't be mad. If the locker room is 300 m from the classroom and Jorge can run a surprising 25 m/s, how long would it take him to get there? 
a)
10 s
b)
14 m
c)
12s
d)
12 m/s
40.
While waiting for his Mom to come out of the hairdresser's, Kevin accidentally puts the car in gear and it begins to roll forward. How far would the vehicle travel if it moved at 36 m/s for 2 s? 
a)
 18 meters
b)
72 meters
c)
16 m/s
d)
72 s
41.
Lizbeth sees a guy at the dance that she has a crush on and decides to chase him and ask him out on a date.. Find her speed if she runs 80 m in 5 s.  
a)
400m/s
b)
16m/s
c)
15m/s
d)
16 m
42.

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2

a)

102.04 n

b)

9,800 n

c)

980 n

d)

103 n

43.

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?

a)

100kg

b)

1,250kg

c)

50kg

d)

5kg

44.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
45.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
46.

A small child has a wagon with a mass of 10 kilograms. The child pulls on the wagon with a force of 2 newtons.What is the acceleration of the wagon?

a)

0.1 m/s2

b)

0.2 m/s2

c)

2 m/s2

d)

1 m/s2

47.

Your shopping cart has a mass of 65 kilograms. In order to accelerate the shopping cart down an aisle at 0.3 m/sec2, what force would you need to use or apply to the cart? (use the triangle ) may not have hints on test so practice now to do well !

a)

18.5

b)

19

c)

19.5

d)

20

48.

What is the rate of acceleration of a 2,O0O kilogram truck if a force of 4,200 N is used to make it start moving forward?

a)

2.0 m/s2

b)

2.1 m/s2

c)

2.2 m/s2

d)

2.3 m/s2

49.

What is the mass of an object that requires 15 N to accelerate it at a rate of 3 m/sec2?

a)

18 kg

b)

45 kg

c)

3 kg

d)

0.2 kg

50.
What is the magnitude (size) and direction of the net force?
a)
15 N to the left
b)
15 N to the right
c)
1 N to the left
d)
1 N to the right
51.
What is the magnitude (size) and direction of the net force?
a)
21 N to the Left
b)
3 N to the Left
c)
21 N to the Right
d)
3 N to the Right
52.

Convert 62 miles/hour to feet/second

a)

5,456 feet/second

b)

.003 feet/second

c)

90.9 feet/second

d)

909 feet/second

53.

Convert 50 decimeters/week to kilometers/year

a)

.026 kilometers/year

b)

2.6 kilometers/year

c)

.26 kilometers/year

d)

26 kilometers/year

54.

You know 1000 mg = 1 g. Convert 2.5 grams into milligrams.

a)

25 mg

b)

25,000 mg

c)

250 mg

d)

2500 mg

55.

How many Significant Figures in the number below?

4.56 x 103

the picture choice is just for help/assistance learning

a)

5

b)

4

c)

6

d)

3

e)
56.

Target on the left, how would it be described?

a)

Accurate

b)

Precise

c)

Accurate and Precise

d)

Neither Accurate or Precise

57.

Target on the right, how would it be described?

a)

Accurate

b)

Precise

c)

Accurate and Precise

d)

Neither Accurate or Precise

58.

How many minutes are in a year?

a)

I can't count that high.

b)

525,600min

c)

52,560min

d)

31,536,000min

59.
You know that 12 inches = 1 foot.  Convert 60 inches to feet.
a)
720 feet
b)
5 feet
c)
5 inches
d)
72 feet
60.
What unit should be in the denominator of the conversion factor?
a)
yards
b)
leagues
c)
feet
d)
fathoms
61.
What unit should be in the numerator of the conversion factor?
a)
yards
b)
leagues
c)
feet
d)
fathoms
62.

1 Metre = ______cm

a)

100

b)

10

c)

1

d)

1000

e)

lemon pepper hot wings

63.
1 cm = ________mm
a)
1
b)
100
c)
10
d)
1000
64.

1 Km = ______m

a)

1

b)

10

c)

100

d)

1000

65.
100 cm = ______m
a)
1
b)
10
c)
100
d)
1000
66.

13 kg = ___ g

a)

13,000 g

b)

1.3 g

c)

0.13 g

d)

1,300 g

67.
45 cm = ___ mm
a)
450 mm
b)
4,500 mm
c)
45 mm
d)
4.5 mm
68.
Use the image below to measure the blocks. Enter your measurement as a fraction or mixed fraction (reduce all fractions when necessary).
a)
4 5/16 in
b)
4 10/16 in
c)
4 15/16 in
d)
4 16/16 in
69.
5 km = ______ m
a)
25 m
b)
5000 m
c)
500 m
d)
50 m
70.
You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.
a)
25 mg
b)
25,000 mg
c)
250 mg
d)
2500 mg
71.
15 cm= ____ mm
a)
162
b)
15,000
c)
150
d)
105
72.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

73.

When you are going from larger units to smaller units, you ______ by the power of ten.

a)

multiply

b)

divide

74.

When you are going from smaller units to larger units, you ______ by the power of ten.

a)

multiply

b)

divide

75.

How would you write 564,000,000 in scientific notation?

a)

5.64 x 10-7

b)

5.64 x 106

c)

5.64 x 108

d)

56.4 x 107

76.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
77.

When writing a number in scientific notation, the first number .

a)

greater than 1

b)

less than 10

c)

= to 10 or less

d)

.9 or greater

78.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
79.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
80.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
81.
What is scientific notation?
a)
A long way to write really short  numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
82.
UNDERSTANDING
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
83.
UNDERSTANDING
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
84.
ANY number raised to a power of 0 will be....
a)
10
b)
itself
c)
1
d)
0
85.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
86.

Write in scientific notation. 0.0000000000000913

a)

9.13 x 1014

b)

9.13 x 10-14

c)

9.13 x 1013

d)

9.13 x 10-13

87.

Is the following sentence an example of a claim or evidence?


According to the American Health Association, peanut butter is a great source of protein.

a)

Claim

b)

Evidence

88.

Which piece of evidence could be used to BEST support this claim:


High school students should be required to wear uniforms.

a)

When adding everything up, a school uniform could end up costing more than $200.

b)

A student reported, "Allowing us to wear our own clothes gives us a chance to show our unique style and independence."

c)

At one school that recently required students to wear uniforms, attendence rates went up, and behavior incidents went down.

d)

School uniforms can be ordered online .

89.

The following sentence is an example of...?


More school districts should wake up to the benefits of starting school later in the morning.

a)

Reasoning

b)

Evidence

c)

Claim

d)

Opinion

90.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
91.

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)

a)

The one with a mass of .78 kg will have the greatest acceleration.

b)

The one with a mass of .52 kg will have the greatest acceleration.

c)

They will both accelerate at the same rate.

92.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
93.
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 
94.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
95.
A bike accelerates at 10 m/s2 when a force of 50N is applied.  What is the mass of the bike and its rider?
a)
25 kg
b)
200 kg
c)
20 kg
d)
5 kg
96.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third 
d)
fourth
97.
Which has more Inertia? 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
98.
Which of Newtons laws  best explains why football teams have big, large, fast athletes.
a)
Gravity
b)
second law
c)
first law
d)
Third law
99.

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

a)

feathers

b)

iron

c)

same

d)

depends on how fluffy the iron is

e)

peach cobbler

100.
Where is the number 7?
a)
We know that 7 is between 6 and 8, so it is the longer line between 6 and 8.
b)
We don't know where 7 is.
c)
This cylinder cannot measure 7 because the marking is not there.
d)
7 is not an important number so it was left off of this piece of lab glassware
101.
What is the volume of the liquid in this graduated cylinder?
a)
8.5 mL 
b)
7.5 mL 
c)
8 mL 
d)
.1 mL
102.

How much force is needed to accelerate a 25kg bowling ball at 2m/s2.

a)

50N

b)

5N

c)

12.5N

d)

100N

103.

If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?

a)

1 m

b)

2 m/s2

c)

4m/s2

d)

1 m/s2

104.

How much force is needed to accelerate a 3kg skateboard at 5m/s2.

a)

8N

b)

1.6N

c)

0.6N

d)

15N

105.
___________ is the amount of matter in an object.
a)
mass
b)
weight
c)
volume
d)
force

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