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Newton's Laws

Total questions: 25

Worksheet time: 12mins

Name
Class
Date
1.

30 mph west is an example of _________.

a)

force

b)

speed

c)

acceleration

d)

velocity

2.

A lamp sitting on a table is demonstrating Newton's ___ Law.

a)

1st

b)

2nd

c)

3rd

d)

4th

3.

A rollercoaster heading down a hill is _____________.

a)

at rest

b)

slowing down

c)

accelerating

d)

velocity

4.

Newton's 3rd Law states that for ever action there is an equal and opposite ________.

a)

reaction

b)

satisfaction

c)

fraction

d)

transaction

5.

A ______ is a push or pull on an object.

a)

force

b)

speed

c)

acceleration

d)

velocity

6.

A car traveling 65 mph is an example of its ________.

a)

force

b)

speed

c)

acceleration

d)

velocity

7.

A force that causes an object to slow down when it touches another object is _________.

a)

gravity

b)

friction

c)

inertia

d)

Newton

8.

Newton's 2nd Law says the acceleration of an object depends on its _______ and ______. (Choose two answers)

a)

force or applied force

b)

weight

c)

gravity

d)

mass

9.

if an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.

a)

weak

b)

strong

c)

balanced

d)

unbalanced

10.

Net force is a combination of all ________ acting on an object.

a)

forces

b)

speeds

c)

accelerations

d)

velocities

11.

What will be the effect on the boy in the picture if the driver stops quickly?

a)

Because of inertia he will remain in the same position.

b)

He will be pushed back into the car seat.

c)

He will move from one side of the car seat to the other.

d)

He will move forward pressing against the seatbelt.

12.

Which of Newton’s Laws explains a rocket’s movement during launch?

a)

Newton's First Law of Motion

b)

Newton's Second Law of Motion

c)

Newton's Third Law of Motion

d)

Newton's Fourth Law of Motion

13.
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
14.
What law of motion does this picture represent?
a)
Newtons 3rd law
b)
Newtons 4th law
c)
Newtons 1st law
d)
Newtons 2nd law 
15.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity 
c)
Newtons 4th law 
d)
Newtons 2nd law
16.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
17.
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
18.
What is the tendency of an object to resist a change in motion?
a)
coffee
b)
motion
c)
inertia
d)
gravity
19.
A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?
a)
For every action there is an equal and opposite reaction.
b)
Every mass exerts a force on every other mass.
c)
An object at rest tends to stay at rest.
d)
Friction opposes the motion of an object.
20.
 267.5 N unbalanced force applied to push a stuffed chair across the room, causing an acceleration of 4.2 m/s2. What is the mass of the chair?
a)
26.75 kg
b)
63.69 kg 
c)
263.3 kg 
d)
1123.5 kg
21.
Less mass in an object means _________ inertia
a)
less
b)
more 
c)
equal
22.

When you give your friend a lift on your bike you must pedal harder and faster to keep the same speed (and acceleration) as you had before when you were on your bike alone.

a)

1st Law

b)

2nd Law

c)

3rd Law

23.

A smaller cannon ball leaves a cannon much faster than a larger, heavier cannon ball fired from the same cannon.

a)

1st Law

b)

2nd Law

c)

3rd Law

24.
A force that opposes motion between a surface in contact with the atmosphere.
a)
air resistance
b)
gravity
c)
momentum
d)
terminal velocity
25.

An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...

a)

action force

b)

reaction force

c)

net force

d)

inertia