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Forces and Newton's Laws Unit Test

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When discussing Newton’s laws of motion, which terms do people most likely use when talking about Newton’s third law of motion?
C) “action” and “reaction”
A) “force” and “acceleration”
D) “mass” and “inertia”
B) “inertia” and “force”
Question 2
2.

A delivery man pushes a 5.57 kg laundry cart with a force of 65N. What is the acceleration that the delivery man generates while pushing the cart?
0.085N
11.66m/s2
11.66kg
An object with a mass of 2.0 kg accelerates 2.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
0kg
1N
4N
An object accelerates 8.2 m/s2 when a force of 20.1 Newtons is applied to it. What is the mass of the object?
0.40kg
0.31N
2.45kg
An object has a mass of 5 kg. What force is needed to accelerate it at 6 m/s2?
A) 0.83 N
B) 1.2 N
C) 11 N
D) 30 N
An object with a mass of 3.0 kg has a force of 9.0 Newtons applied to it. What is the resulting acceleration of the object?
2m/s2
0.33kg
3m/s2
An object with a mass of 1500 kg accelerates 10.0 m/s2 when an unknown force is applied to it. What is the amount of the force?
320kg
150N
15000N
An object accelerates 100m/s2 when a force of 200 Newtons is applied to it. What is the mass of the object?
0.5kg
0.45kg
2kg
What is the SI (metric) unit for force?
Newton
m/s^2
kilogram
Pound
Name the type of friction between 2 moving objects.
Sliding
Rolling
Fluid
Static
What property of matter resists motion?
Friction
Weight
Momentum
Inertia
What type of friction does a skydiver experience?
Fluid
Sliding
Rolling
Static
An object in motion tends to stay in motion, an object at rest tends to stay at rest.
1st Law
2nd Law
3rd Law
F = Mass x Acceleration
3rd Law
1st Law
2nd Law
Newton's 3rd Law states?
A force is a push or pull
Every action has a equal and opposite reaction.
Force = Mass x Acceleration
Objects at rest tend to stay at rest.
In a closed system, what is conserved when two objects collide?
None of the above
Inertia
Force
Momentum
What number is used to express the acceleration due to gravity on Earth?
9.8 m/s2
15 PSI
100 Newtons
1.6 m/s^2
When an object in motion resist a change in it motion, its the Law of.....?
Acceleration
Inertia
Force
Conservation of Momentum
Which example best represents balanced forces?
A) an elevator stopped on the third floor
B) a basketball shot into a hoop
D) a tow truck pulling a car out of a ditch
C) a sled sliding down a snowy hill
Anya knows the velocity of an object. What else does she need to know in order to find the object’s momentum?
A) its mass
C) its density
B) its height
D) its speed
Which refers to the sum of all the forces that act upon an object?
A) absolute force
B) net force
C) positive force
D) balanced force
How is force calculated?
A) multiply mass by acceleration
B) divide mass by acceleration
C) multiply distance by time
D) divide distance by time
Micah knows that a car has a force of 25 N. What does Micah need to determine mass?
A) distance
B) acceleration
C) force
D) speed
According to the law of ____________________, if no net force acts on a system, then the total momentum of the system doesn't change.
Force
Momentum
Inertia
Conservation of Momentum
Barry and Thomas are moving a Lazy-Boy chair. Barry is pulling 45N to the left and Thomas is pushing 50N also to the left.
Below answer the following questions.
A. What is the net-force acting on the chair?
B. If the acceleration is 15m/s2, what is the mass of the chair?
90 N, 60 kg
95 N, 6.33 kg
5N, 6.33 kg
60 N, 90 kg
Your weight equals your _________________.
mass
mass divided by the net force acting on you.
mass times the acceleration due to gravity.
mass times your speed.
If you have a mass of 80 kg on Earth, what is your mass on the moon?
80 kg
8 kg
800 kg
Look at the following picture below. Click on the first pdf and choose the correct force diagram.



A
B
A person is riding in a car, traveling straight. The car comes to a quick stop and the person's body leans forward against the seatbelt. This scenario is an example of what law of motion?
Law of Interaction
Law of Acceleration
Law of Inertia
Law of Motion
Drag and drop the correct law with each statement.

Newton's Second Law
A swimmer moves forward after pushing off the wall.
Newton's Second Law
An object in motion stays in motion and an object at rest stays at rest unless acted on by an outside force.
Newton's Third Law
The acceleration of an object is related to its mass and the force acting on it.
Newton's First Law
The girl pushing the grocery carts needed to apply a greater force to move eight carts than she did to move two carts at the same speed.
Newton's Third Law
A person not wearing a seat belt will continue moving forward even when the car suddenly stops.
Newton's First Law
For every action, there is an equal and opposite reaction.
Using the image to find the Net-Force
D) 2.5N
B) 1000N
A) 70N
C) 30N