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Newton's Laws

Total questions: 25

Worksheet time: 18mins

Name
Class
Date
1.
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.
2.
Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Law 1
b)
Law 3
3.
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.
4.
An object will not have any inertia if it is __________?
a)
Accelerating
b)
Moving in a circle
c)
In space
d)
… Nonsense! All objects have inertia
5.
Which of these best describes why your weight (on Earth) would change on another planet?
a)
weight doesn’t change, no matter where you are
b)
different planets have different gravitational pulls
c)
In general, the smaller the planet, the greater weight
d)
dehydration effects on different planets change weight
6.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
7.

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

8.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
9.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
10.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
11.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
12.

A rollercoaster heading down a hill is _____________.

a)

at rest

b)

slowing down

c)

accelerating

d)

velocity

13.

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

a)

force

b)

speed

c)

acceleration

d)

velocity

14.

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

a)

forces

b)

speeds

c)

accelerations

d)

velocities

15.

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.

16.

When we throw anything in air it always falls down because of _____

a)

Friction

b)

Gravity

c)

Solid

d)

motion

17.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
18.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
19.

This type of force is when one object pushes or pulls on another object by touching it

a)

Applied

b)

gravity

c)

magnetic

d)

tension

20.

The students in Mrs. Hoffman’s class played tug-of-war. The girls pulled in one direction with a force of

150 N. The boys pulled in the opposite direction with a force of 100 N. Who won the game and why did they win?

a)

The boys won because they applied a stronger force to the

rope

b)

The boys and the girls tied because they applied equal

forces to the rope

c)

The girls won because they applied a stronger force to the

rope

d)

Too much force was applied, the rope broke

21.

what is the force acting in the ropes of the swing?

a)

tension

b)

normal reaction

c)

friction

d)

gravitation

22.
A type of friction that occurs when air pushes against a moving object causing it to decelerate.
a)
surface area
b)
air resistance
c)
velocity
d)
gravity 
23.

What math did Newton develop?

a)

algebra

b)

calculus

c)

multiplication

d)

division

24.

Legend has it that a fallen apple was key to Newton's ideas on gravity. What term could you use to describe the apple in this capacity?

a)

Dangerous

b)

Omen

c)

Inspiration

d)

Delicious

25.
a)

Wonka

b)

Snickers

c)

Kit Kat

d)

Milky Way Dark

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