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Year 7 Physics Quiz

Total questions: 44

Worksheet time: 4hrs 11mins

Name
Class
Date
1.

Which of the following is NOT an example of unbalanced forces?

a)

a turning car

b)

a car breaking to a stop

c)

a car traveling 60 mph constantly

d)

a car accelerating down a hill

2.

Which of the following is NOT an example of unbalanced forces?

a)

a skateboard rolling down a ramp

b)

a skateboard popping up in the air, then back down

c)

a skateboard slowing down to a stop

d)

a motionless skateboard

3.

Which of the following is NOT an example of balanced forces?

a)

a runner moving at a constant speed of 4 m/s

b)

a runner waiting at the starting line of a race

c)

a runner slowing down to a stop at the finish line

d)

a runner jogging in a straight line

4.

Unbalanced forces result in which of the following?

a)

acceleration

b)

constant velocity

c)

constant speed & direction

d)

inertia

5.

Balanced forces CANNOT result in which of the following?

a)

no changes in motion

b)

changes in direction

c)

constant speed

d)

no motion

6.

Which of the following wouldn't naturally result in acceleration?

a)

going uphill or downhill

b)

a flat stretch of unchanging road

c)

a change in surface friction

d)

a turn

7.

Which of the following correctly describes the motion?

a)

an object at rest

b)

an object at constant speed

c)

an object accelerating

d)

an object with changing velocity

8.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
d)
law of conservation of mass
9.
a)
1st
b)
2nd
c)
3rd
d)
law of motion
10.
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
11.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia (1st law)
b)
The Law of Acceleration (2nd law)
c)
The Law of Conservation of Momentum
d)
Action Reaction Law (3rd law)
12.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
13.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger 
b)
smaller 
c)
equal 
d)
less
14.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
15.
A person is pushed forward into their seatbelt when a car stops
a)
1st
b)
 2nd
c)
2 and 3
d)
3rd 
16.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
17.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
18.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
19.
What type of force describes the red arrow?
a)
Gravity Force
b)
Friction Force
c)
Driving Force
d)
Air friction resistance Force
20.
What type of force is shown in the picture?
a)
The Cat force
b)
Star Wars Force
c)
Unbalanced force
d)
Balanced  force
21.
Which two forces are equal?
a)
The Force of Gravity and the Normal Force
b)
The applied force and the Force of friction
c)
None
d)
The Force of Gravity and the  Motion Force
22.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a  failing grade 
23.
What is friction?
a)
It is a resistance force
b)
Friction  does not exist
c)
It is an imaginary force
d)
It is red
24.
By looking at the picture, what is the best conclusion?
a)
Friction is in the same direction as Motion
b)
The Friction force  is  opposite to the direction of  the motion force
c)
Friction does not count
d)
I forgot my I-pad
25.
How do you lower the friction force?
a)
By a smooth surface
b)
By a rough surface
c)
By not pushing hard
d)
By pushing down
26.
What type of graph is shown in the picture?
a)
Line Graph
b)
Bar Graph
c)
Circle Graph
d)
Pictograph
27.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
28.
Why is person B having a hard time moving down the hill?
a)
Person B has more friction than person A.
b)
Person B has the same friction as person A.
c)
Person B is out of shape.
d)
Person B has less friction has person A.
29.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
30.
A force that slows or stops motion when objects rub together.
a)
Friction
b)
Push
c)
Pull
d)
Magnetism
31.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
32.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
33.

A magnet cannot move which of the following objects?

a)

a paper clip

b)

a nail

c)

a toothpick

d)

a staple

34.

Every magnet has a:

a)

East and West pole

b)

North and South pole

c)

East and South pole

d)

North and West pole

e)

Chicago and Saint pole

35.

The entire region surrounding a magnet is known as the:

a)

Magnetic Domain

b)

Lodestone

c)

A Compass

d)

Magnetic Field

36.
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
37.
The tendency of an object to stay in motion or at rest is called 
a)
velocity
b)
acceleration
c)
speed
d)
inertia
38.
What do the arrows tell you?
a)
strength
b)
direction and strength
c)
direction
d)
speed
39.

Choose the INCORRECT answer:

A stationary car...

a)

has a constant speed of 0

b)

is an example of balanced forces

c)

has more inertia than when it is travelling at 100 km/h

d)

exerts force upon the ground

40.
Gravity is due to:
a)
the pull between Earth and the moon.
b)
the pull between the Sun and Earth. 
c)
the pull between any objects with mass. 
d)
the pull between atomic nuclei. 
41.

Which one of the following forces is a contact force?

a)

Gravity

b)

Friction

c)

Magnetic

d)

Electrostatic

42.

When a skydiver is falling through the air, what is the name of the force acting upwards

a)

Gravity

b)

Air resistance

c)

upward force

d)

the moon

43.

A negatively charged balloon attracts a piece of paper towards it. What charge must the paper have?

a)

Positive or neutral

b)

Positive only

c)

Neutral only

d)

Paper can't have charges

44.

In electrostatic forces, _________ charges repel one another, while _________ charges attract.

a)

like; unlike

b)

unlike; like

c)

positive; negative

d)

North; South

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