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newton and forces

Total questions: 80

Worksheet time: 2hrs 39mins

Name
Class
Date
1.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

2.

What type of force is this man using to push his grocery cart?

a)

Normal Force

b)

Gravity

c)

Air Resistance

d)

Applied Force

3.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
4.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

5.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
6.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
7.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
8.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
9.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
10.

What is inertia?

a)

an object's state in which the object stays at rest or keeps moving in the same direction until a greater force acts in the object

b)

an unbalanced force

c)

it is weight

11.

Newton's First Law of Motion says An object in______ with still in motion, and an object at rest will stay at ___________.

(a)  

12.

What is friction

a)

It is fire

b)

force equal in size and opposite in direction

c)

Two object rub together: friction slows down objects.

13.

An example of Inertia is.....

a)

Gravity that is always acting on us

b)

Driver steps on the brakes, and your body continues moving (goes forward)

c)

Two sticks that causes fire

14.

An apple falling to the ground is an example of...

a)

inertia

b)

force

c)

gravity

15.

What is acceleration?

a)

the change in speed of a moving body

b)

a state when forces are equal

c)

the amount of material in an object

16.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
17.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
18.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
19.
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
20.
Matt measured a small rubber ball and made 3 other balls of the same diameter from lead, foam, and wood. Which has the greatest inertia?
a)
rubber ball
b)
lead ball
c)
foam ball
d)
wood ball
21.
What law?
a)
1st
b)
2nd
c)
3rd
22.
This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
23.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
24.

A heavy ball is suspended as shown. A quick jerk on the lower string will break that string but a slow pull on the lower string will break the upper string. The first result occurs because:

a)

the force is too small to move the ball

b)

action and reaction is operating

c)

the ball has inertia

d)

air friction holds the ball back

e)

the ball has too much energy

25.

A shopping cart accelerates more slowly when full. This is an example of Newton's ________ Law.

a)

1st

b)

2nd

c)

3rd

26.
For every action there is ______ and opposite reaction.
a)
an equal
b)
a stronger
c)
a weaker
d)
an exciting
27.
_______ force is needed to move objects of larger mass.
a)
Less
b)
Equal
c)
More
d)
Light
28.

It is much more difficult to move a dresser full of clothes than an empty dresser.

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

29.

This force is a support force when you're leaning against a surface.

a)

Applied force

b)

Normal force

c)

force of Gravity

d)

Air resistance

30.

The upward force acting on the parachute is called ______________.

a)

Force of friction

b)

Force of gravity

c)

Normal force

d)

Air resistance

31.

What force ultimately slows the roller coaster to a stop?

a)

Applied

b)

Normal

c)

Friction

d)

Gravitational

32.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
33.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
34.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
35.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
36.

Which has the MOST inertia?

a)
b)
c)
d)
37.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
38.

Objects with greater _________ also have greater inertia.

a)

speed

b)

mass

c)

force

d)

friction

39.
a force that opposes motion between any surfaces that are touching
a)
velocity
b)
friction
c)
inertia
d)
position
40.

(a)   = mass x acceleration

41.

A (a)   is required to change the motion of an object

42.

If the mass of an object is 5 kg, and the acceleration is 2 m/s2. What is the force?

a)

10 N

b)

7 N

c)

3 N

d)

12 N

43.

Is a car going around a corner an example of acceleration?

a)

Yes

b)

No

44.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
45.
20 N is the
a)
mass
b)
weight
c)
force
d)
acceleration 
46.
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
47.

When force is 20 N, mass is 5 kg, what is acceleration?

a)

25 m/s/s

b)

5 m/s/s

c)

100 m/s/s

d)

4 m/s/s

48.
What is the acceleration of an object traveling at a constant velocity?
a)
10 m/s2
b)
0 m/s2
c)
250 m/s2
d)
20 m/s2
49.

Jenny applies a 60 N force to a 20 Kg cart, what is the acceleration of the cart if friction can be neglected?

a)

1200 m/s2

b)

0.33 m/s2

c)

20 m/s2

d)

3 m/s2

50.
An object accelerates 5 m/s2 when a force of 20 newtons is applied to it. What is the mass of the object?
a)
4 Kg
b)
20 Kg
c)
0.5 Kg
d)
2 Kg
51.

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

52.

The equations to solve for acceleration is?

a)

F/M

b)

M*A

c)

M/A

53.

Mass is measured in?

a)

N

b)

kg

c)

m/s2

54.

Using the correct equation solve this problem. How much force is required to move a 5kg boulder at 3m/s2

a)

10N

b)

1.6N

c)

15N

55.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
56.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
57.
490,000 g =____ kg
a)
490
b)
49
c)
4,900
d)
0.49
58.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
59.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
60.

Which of the following options is the base unit?

a)

kilometer

b)

centimeter

c)

meter

d)

millimeter

61.

The acceleration of objects falling on Earth due to gravity is

a)

9.8 m/s

b)

9.8 m/s2

c)

9.8 g/mL

d)

9.8 g/m/m

62.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
63.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
64.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
65.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
66.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
67.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
68.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
69.
You walk 10 meters to math class in 20 seconds. Your average speed is
a)
2 m/s
b)
0.5 m/s
c)
200 m/s
d)
5 m/s
70.
Which of the following represents a velocity?
a)
40 m
b)
40 m north
c)
40 m/s
d)
40 m/s north
71.
Describe the speed of the object from
2-5 seconds using the speed vs. time graph.
a)
Increasing speed
b)
Not moving
c)
Decreasing speed
d)
Constant speed
72.

Acceleration is

a)

the rate at which velocity changes.

b)

the change in velocity

c)

the rate of change

d)

when you speed up only

73.

What does it mean when a change in velocity is negative?

a)

The object is speeding up.

b)

The object is slowing down.

c)

The object is changing direction.

d)

The object is falling down.

74.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car turning a curve at a constant speed
75.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
76.

What is the final velocity of a rocket that travels for 4 seconds, has an initial velocity of 12 km/s and an acceleration of 2 km/s2?

a)

-4 km/s

b)

10 km/s

c)

20 km/s

d)

-10 km/s

77.

What does the slope of a line represent in the context of a velocity vs. time graph?

a)

Distance

b)

Time

c)

Acceleration

d)

Speed

78.

What does the formula 'a = (Vf - Vi) / t' represent?

a)

The formula for velocity

b)

The formula for speed

c)

The formula for acceleration

d)

The formula for time

79.

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

a)

24 m/s2

b)

18 m/s2

c)

16 m/s2

d)

16 m/s

80.
The Eagles are playing the Patriots in Super Bowl 52. The score is Eagles 31 Patriots 27 with two minutes left. Nick Foles throws a deep ball to Alshon Jeffery the velocity of the football increases from 10m/s to 40 m/s in over a 5 second period.
a)
6 m/s²
b)
10 m/s²
c)
8 m/s²
d)
30 m/s²

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