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WorksheetsNewton's Laws
Total questions: 37
Worksheet time: 19mins
Name
Class
Date
1.
A turtle is swimming forward with 400 newtons of force. The water current is going against the turtle with 100 newtons. Why is the turtle still able to swim?
a)
The turtle has a net force of 300 newtons
b)
the turtle has a net force of 400 newtons
c)
the turtle has a net force of 100 newtons
d)
the turtle has lots of momentum
2.
2 people fist bump... Jeff has 200 newtons and Jeff jr. has 300 newtons. Who has a more powerful fist bump??
a)
Jeff
b)
Jeff jr.
c)
both are equal
d)
both are small
3.
A cyclist is riding with a force of 100 newtons. Hiss acceleration is 2 m/s/s. Find his mass.
a)
200 kg
b)
.005 kg
c)
50 kg
d)
50 newtons
4.
Mrs. Morfing slammed her desk with 259 newtons of force after she forgot to take attendance. How much force would the desk had to push back in order to stay in one piece?
a)
259 newtons
b)
258 newtons
c)
0 newtons
d)
more than 259 newtons
5.
If both people on the left are pushing with the same force, how much force is each one of them applying?
a)
26 N -->
b)
32 N <--
c)
32 N -->
d)
50 N -->
6.
Johnny was driving a car and he was accelerating from 30 mph to 60 mph in 3 seconds. His car has 500 kg of mass. How much force does his car have?
a)
500 newtons
b)
5000 newtons
c)
50000 newtons
d)
5000 pounds
7.
Wile E. Coyote is chasing after roadrunner. Wile E. is about 2.2 kg and he runs off a cliff which is 27 ft high. Sadly, his ACME parachute was only a backpack, and did not open. With how much force did Wile E. hit the ground?
a)
about 21.5 kg
b)
about 21.5 newtons
c)
about 21.5 feet
d)
about 21.5 m/s/s
8.
What is Newton's 2nd Law?
a)
Objects in motion stay in motion unless acted on by an outside force
b)
F = M*A
c)
For every action there is an equal and opposite reaction
9.
You are swimming in a pool and your arms propel you forward. This is an example of
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Inertia
10.
Cole is riding his bike 5 m/s and speeds up to 10 m/s in 2 seconds so he can outrun Sam. He wasn't paying attention and rode into a tree. If he and the bike have a mass of 70 kg, what is the force?
a)
700 newtons
b)
70 newtons
c)
175 newtons
d)
35 newtons
11.
You fall out of a plane with a parachute and a helper. You and the helper have a total mass of 87 kg. You encounter 100 newtons of air resistance. With how much force will you fall?
a)
852.6 newtons
b)
87000 newtons
c)
752.6 newtons
d)
952.6 newtons
12.
Mrs. Morfing ad Mrs. Ingle's classes are participating in a tug-of-war. Each of Mrs. Morfing's 20 students have a force of 10 N. Mrs. Ingle has 18 students and they have a total net force of 20 newtons over Mrs. Morfing's class. What is the amount of force each of Mrs. Ingle's students has?
a)
20 newtons
b)
10 newtons
c)
200 newtons
d)
12 newtons
13.
According to Newton's 3rd Law,
a)
an object in motion stays in motion
b)
F= M*A
c)
for every action there is an equal and opposite reaction
d)
inertia
14.
When measuring force, your answer must be a vector. A vector is
a)
a measure of magnitude
b)
a measure of direction
c)
a measure of both magnitude and direction
d)
a force
15.
A rollercoaster accelerated from 0-100 mph in 5 seconds. All of the people on the rollercoaster have a combined mass of 1000 kg. What is the force of this coaster?
a)
100000 newtons
b)
20000 newtons
c)
1000 newtons
16.
When a person is in a car that suddenly stops, why does the person go forward?
a)
You are in motion so even though the car stops, you do not, so you continue to move in the direction you were headed.
b)
You have force, so you always have force
c)
you have an equal and opposite reaction t
17.
When solving for acceleration, use the equation
a)
d/t
b)
(V2-V1) / T
c)
F= M*A
d)
Mass = weight / force
18.
What happens according to Newton if you let an untied balloon go?
a)
air will rush out of the balloon to the right and the balloon will also move to the right
b)
air will rush out of the balloon to the right and the balloon will move to the left with equal force
c)
the balloon will fall straight to the ground due to gravity
d)
the balloon will float forever because there is no force to stop it
19.
The following is a clear example of Newton's 3rd Law:
a)
removing a table cloth without moving the dishes on top due to inertia
b)
a 3000 kg car accelerating at 20 m/s/s
c)
a rocket taking off with the thrust of the engines pushing down and the rocket moving upward
20.
A dog has a force of 120 newtons when he runs. His speed went from 5 m/s to 10 m/s in 2.5 seconds. What is his mass?
a)
60 kg
b)
12 kg
c)
240 kg
d)
120 kg
21.
Newton's 1st Law is also called the law of inertia. What is inertia?
a)
an object's resistance to change
b)
an object's force due to its mass
c)
an object's forward motion in a pool
d)
propulsion
22.
What is the net force of the plane?
a)
1362 N --> 81 N ^
b)
1362 N <-- 81 N v
c)
1500 N --> 91 N v
d)
1638 N 101 N
23.
There are 4 main forces. Which are contact forces?
a)
gravity and friction
b)
push / pull and friction
c)
push / pull and gravity
d)
push and pull only
24.
When is friction working?
a)
It is only happening when 2 objects are in contact.
b)
friction is always working, no matter what.
c)
friction is only happening when objects are on the surface of the planet, not falling in the air.
d)
friction is only possible if an object has bumps and grooves.
25.
Forces can be either balanced or unbalanced. This is an example of an unbalanced force.
a)
a clown sitting on a unicycle
b)
a book on top of a table
c)
a dog breaking a stick in its mouth
d)
a dog running
26.
You are swimming. This is an example of Newton's 3rd Law. Why is it the equal and opposite forces do not cancel each other out?
a)
The person moves before the forces are able to cancel
b)
the forces become unbalanced due to the water
c)
the force on the water is greater than the force on the body
d)
the forces are actually exerted on different objects so they do not cancel
27.
If forces on an object are balanced, the object's acceleration will
a)
increase
b)
decrease
c)
stay the same
d)
go faster
28.
If you increase the force of an object but do not change the mass, what will happen to the acceleration?
a)
the acceleration will decrease
b)
the acceleration will increase
c)
the acceleration will stay the same
d)
the acceleration will be equal to the force
29.
Mass is
a)
the amount of matter in an object
b)
the amount of space an object takes up
c)
how much force an object has
d)
how dense an object is
30.
What would happen if all forces, EXCEPT inertia stopped?
a)
you would stay in motion in a direction you were going or at rest forever
b)
you would float
c)
you would stop immediately
d)
you would slide because there is no friction
31.
What is Newton's 1st law?
a)
An object at rest stays at rest unless acted on by an outside force
b)
F=M*A
c)
for every action there is an equal and opposite reaction
32.
You and a friend are fighting over a teddy bear. You are pulling with a force of 52 N to the right. Your friend Madison is pulling with a force of 42 N to the left. Your other friend Mikayla is pulling down with 59 N. Cole is pulling up with 45 N. Who will win the bear?
a)
You
b)
Madison
c)
Mikayla
d)
Cole
33.
What is created when your shoes skid across the floor?
a)
gravity
b)
friction
c)
force
d)
mass
34.
You and your friends are moving a couch. You and 2 friends are pushing with a net force of 330 newtons. A 4th friend is pulling the couch with a force of 45 newtons. There is 10 newtons of friction. What is the force of each of the 3 people pushing the couch?
a)
330 newtons
b)
45 newtons
c)
110 newtons
d)
365 newtons
35.
If an object is stationary. what can you determine about the object?
a)
all forces are unbalanced
b)
all forces are balanced
c)
all forces are zero
d)
all forces are strong
36.
If you increase the mass of an object while keeping the acceleration constant, the force will change proportionally. This is an example of
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
37.
You are at a pool and decide you no longer want to swim so you sit on a chair. You have a mass of 62 kg. What is your force?
a)
62 N
b)
0 N
c)
607.6 N
d)
6200.6 N
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