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Newton's 1st & 2nd & 3rd Laws

Total questions: 50

Worksheet time: 1hrs 16mins

Name
Class
Date
1.
Which has more Inertia? 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
2.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25 N
b)
200 N
c)
20 N
d)
10 N
3.
a push or pull
a)
inertia
b)
force
c)
movment
d)
friction
4.
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia?
a)
 m = 3.0 kg
b)
m = 4.0 kg 
c)
m = 3.0 ml 
d)
m = 30.0 g
5.
What law describes what happens if you are riding a skateboard and hit something (like a rock) with the front wheels. 
a)
Newtons 3rd law
b)
Newtons 1st law
c)
Law of gravity 
d)
Law of movement 
6.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
7.
The tendency of an object to resist changes in its state of motion is ...
a)
inertia
b)
force
c)
movement
d)
friction
8.
Which of these equations describes Newton's 2nd Law?
a)
F=ma
b)
m = F/a
c)
a = F/m
d)
All of them
9.

m/s2 is a unit for

a)

mass

b)

force

c)

acceleration

d)

velocity

10.

kg is a unit that represents

a)

force

b)

velocity

c)

mass

d)

momentum

11.
What is the net force on this box?
a)
10 N to the right
b)
10 N to the left
c)
90 N to the left
d)
290 N to the left
12.
What Unit do we measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
13.
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
14.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N 
b)
40N 
c)
10N 
d)
70N
15.
If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
1/2 the force with which it was fired
d)
zero, since no force is requires to keep it moving. 
16.
Suppose that a sled is accelerating at a rate of 2 m/s2. If the net force is tripled then what is the new acceleration of the sled?
a)
12 m/s/s
b)
6 m/s/s
c)
12 in/s/s
d)
120 m/s/s
17.
What law of motion does this picture represent?
a)
Newtons 3rd law
b)
Newtons 4th law
c)
Newtons 1st law
d)
Newtons 2nd law 
18.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity 
c)
Newtons 4th law 
d)
Newtons 2nd law
19.
Which law best describes- A satellite orbiting the Earth.
a)
Law of Gravity
b)
1st law: law of inertia
c)
2nd law
20.

What unit do we measure force in?

a)

Kilometer/hr

b)

Joules

c)

Seconds

d)

Newtons

21.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
22.
What is the net force?
a)
4.2 N left
b)
4.2 N right
c)
2.2 N left
d)
2.2 N right
23.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
24.
What is the net force?
a)
11 N left
b)
11 N right
c)
3 N left
d)
3 N right
25.
What is the net force?
a)
3 N left
b)
3 N right
c)
7 N left
d)
7 N right
26.
What is the net force?
a)
1.3 N left
b)
1.3 N right
c)
3.7 N left
d)
3.7 N right
27.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
28.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
29.
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
30.
In which direction will the box accelerate?
a)
Down and to the left
b)
Up and to the right
c)
Up and to the left
d)
Down and to the right
31.

The velocity of an object changes only when it is acted on by an _________ force.

a)

special

b)

balanced

c)

newton

d)

unbalanced

32.

If an object is in motion it will remain ______, unless an external force act on it.

a)

in motion

b)

at rest

c)

gravity

d)

weightless

33.

Objects with larger _____ also have greater inertia.

a)

inertia

b)

energy

c)

mass

d)

weightlessness

34.

Newton's third law states for every action, there is an _____________ reaction.

a)

opposite and equal

b)

opposite and unequal

c)

unbalanced

d)

severe

35.

Combination of all the forces acting on an object is called ______?

a)

net force

b)

maximum force

c)

unbalanced force

d)

force

36.

When you push on a wall, the wall pushes back on you with _____force.

a)

not enough

b)

more

c)

no

d)

equal

37.

Newton's second law of motion can be represented by which of the following formula

a)

a+b =C

b)

F = m x a

c)

S = d/t

d)

Y = mx+b

38.

In outer space, forces are balanced because there is no _____?

a)

friction

b)

light

c)

sound

d)

gravity

39.

What units is force measured in?

a)

kilograms

b)

pounds

c)

Newtons

d)

centimeters

40.

Which direction will the force move this object? And with how much force?

(a)  

41.

Sir Issac Newton discovered how many laws of motion?

a)

1

b)

2

c)

3

d)

a billion

42.

A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

43.

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

44.

A skateboarder pushes the ground BACKWARDS which causes the board to move FORWARD.

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

45.

An object in motion stays in motion and an object at rest stays at rest UNLESS

a)

acted on by a balanced force.

b)

acted on by an unbalanced force.

46.

When a horse stops suddenly, the rider on its back continues to move forward onto the ground. Which law is this?

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

47.

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

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newtons 3rd Law of Motion

48.

The greater the mass of an object being moved, the greater amount of force needed to move the object.

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

49.

For every action, there is an equal and opposite reaction.

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

50.

Who did a tik tok video dancing with his Girlfriend

a)

Jackson

b)

Waylon NO

c)

Pack NO NO

d)

RED NO NO NO NO

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