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Newton's Laws Review

Total questions: 53

Worksheet time: 48mins

Name
Class
Date
1.
a)
1st
b)
2nd
c)
3rd
2.
a)
1st
b)
2nd
c)
3rd
3.
a)
1st
b)
2nd
c)
3rd
4.
a)
1st
b)
2nd
c)
3rd
5.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
6.
a)
1st
b)
2nd
c)
3rd
7.
F = MxA
a)
1st
b)
2nd
c)
3rd
8.
Object at rest stays at rest.
a)
1st
b)
2nd
c)
3rd
9.
Acceleration is due to a force put on an objects mass. 
a)
1st
b)
2nd
c)
3rd
10.
Equal and Opposite
a)
1st
b)
2nd
c)
3rd
11.
Action/Reaction
a)
1st
b)
2nd
c)
3rd
12.
Push or Pull
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
13.
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
14.

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

The Law of Inertia

b)

The Law of Acceleration

c)

The Law of Action-Reaction

15.

Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.

a)

The Law of Inertia

b)

The Law of Acceleration

c)

The Law of Action-Reaction

16.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
17.

A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action-Reaction

18.

Two students are in a baseball game. The first student hits a ball very hard and it has a greater acceleration than the second student who bunts the ball lightly.

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action-Reaction

19.
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
20.
When you step on a Lego. You push on the Lego and the Lego pushes back on you.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
21.
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
22.
What is the magnitude (size) and direction of the net force?
a)
10 N to the Right
b)
10 N to the Left
c)
0 N
d)
8 N to the Left
23.
What is the magnitude (size) and direction of the net force?
a)
14 N Down
b)
14 N Up
c)
6 N Up
d)
6 N Down
24.
A net 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)
50 kg
b)
245 kg
c)
.02 kg
d)
25.5 kg
25.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
26.
What is the unit for acceleration?
a)
m/s
b)
m/s2
c)
kg*m/s
d)
N
27.
What are the units of Force?
a)
kg*m/sec
b)
kg*m
c)
N
d)
N*sec
28.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
29.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
30.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
31.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
32.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
33.
If a 10 kilogram object had a force of 50 newton's applied to it, what would its acceleration be?
a)
15 m/s2
b)
5 m/s2
c)
.5 m/s2
d)
10 m/s2
34.

6.) It is (harder or easier) _________________ to change the motion of an object that has larger mass.

a)

Harder

b)

Easier

35.

7.) Large masses need a (greater or smaller) __________________ force to start or stop motion.

a)

greater

b)

smaller

36.

8.) Which has greater inertia? A MARBLE or a BASKETBALL:

a)

Marble

b)

Basketball

37.
During a demonstration of Newton’s laws of motion, a student used the setup shown in Figure 1. The student flicked the index card with a fingertip, and the coin fell straight down into a plastic cup as shown in Figure 2. Which of these best explains why the coin fell straight down into the cup instead of remaining on the index card?
a)
The coin was at rest until the card was removed, so it tended to remain in the same location. Once the card was gone, the unbalanced force of gravity caused the coin to fall.
b)
Moving the card applied an action force on the coin. Since the card was gone, gravity applied a reaction force on the coin.
c)
The card had less mass than the coin, so a smaller force of gravity acted on the card. The larger force of gravity on the coin made it fall.
d)
The acceleration of the coin falling into the cup was equal and opposite to the acceleration of the card.
38.
The masses of four vehicles and the net forces acting on them as they enter a highway are recorded in the table below. Which vehicle has the greatest acceleration as it enters the highway?
a)
Sedan
b)
Coupe
c)
SUV
d)
Truck
39.
A bowling ball is rolled with a certain speed and strikes a bowling pin with a force indicated by the arrow in this illustration. When the bowling ball strikes the bowling pin, the force applied by the pin to the ball -
a)
depends on the mass of the bowling pin.
b)
is equal to the force applied by the ball.
c)
must be zero, since the pin is not moving.
d)
is equal to the force of gravity on both.
40.

To calculate the speed of the coaster, you need to know the distance it travels and

a)

the time it takes

b)

mass of the cars

c)

height of the hills

41.

When is the speed of a roller coaster the fastest?

a)

At the top of the initial hill

b)

As it moves towards the bottom of the hill

c)

At the end of the ride

42.

The roller coaster car begins to move due to

a)

Newton's first law of motion

b)

Newton's second law of motion

c)

Newton's third law of motion

43.

The roller coaster car changes direction due to

a)

balanced forces

b)

an unbalanced force applied

c)

an action and reaction force

44.

A roller coaster has a mass that requires ____ to accelerate

a)

force

b)

friction

c)

momentum

45.

If the force on the mass of the roller coaster is increased, then the __ will also increase.

a)

acceleration

b)

friction

c)

direction

46.

If 2 roller coaster cars race, the car with greater mass will have a lower acceleration. This is an example of Newton's ___ Law of Motion.

a)

first

b)

second

c)

third

47.

If the action force is the rails of the roller coaster on the cart. The reaction is

a)

the cart moves forward

b)

the force of the cart on the roller coaster

c)

the cart has momentum

48.

In a roller coaster, where is there the most potential energy?

a)

at the end of the ride

b)

in the middle of the loop

c)

at the top of the highest hill

49.

When does a roller coaster car accelerate?

a)

only when it turns

b)

only when it stops at the end

c)

only when it speeds up down the hill

d)

both when it turns or changes it speed

50.
Which of the following is an acceptable unit for mass? 
a)
pounds
b)
kilograms
c)
Newton’s 
d)
tons
51.
The Free Body Diagram above shows the forces acting on a hockey puck in motion to the right.  Which of the following describe the motion of the hockey puck?
a)
the hockey puck moves to the right with constant velocity
b)
the hockey puck is slowing down
c)
the hockey puck is speeding up
d)
the hockey puck moves is a circle
52.
A group of pirates fire a cannon.  They notice that when a cannon ball is fired from the cannon, the cannon rolls backwards.  The cannon is much more massive than the cannon-ball. 
Which of the following best explains why the cannon rolls backwards?
a)
the force that is exerted on the cannon ball is so great some is reflected back on   the cannon 
b)
 the inertia of the cannon causes it to roll backwards when the mass changes 
c)
the cannon ball’s energy is released to the cannon
d)
there is an equal force on the cannon but in the opposite direction of the force on the cannon-ball. 
53.
A 400 N girl standing on a dock exerts a force of 100 N on a 10,000 N sailboat as she pushes it away from the dock. How much force does the sailboat exert on the girl?  
a)
25 N 
b)
100 N 
c)
 400 N
d)
10,000 N

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