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22-23_Unit 3 Test

Total questions: 52

Worksheet time: 1hrs 17mins

Name
Class
Date
1.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
2.
A _____ is a pull or a push.
a)
force
b)
friction
c)
gravity
d)
speed
3.
A car traveled 120 km in 2 hours. Using this data, you can calculate its _____.
a)
speed.
b)
velocity.
c)
position.
d)
mass.
4.

If you know the speed of an object AND its direction, you know its...

a)

velocity

b)

displacement

c)

speed

d)

force

5.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
6.

During an experiment, students applied an equal force to push each identical box pictured. If each box was pushed on the same surface for the same amount of time, which box will MOST LIKELY move the greatest distance?

a)

Pencils

b)

Books

c)

Feathers

d)

Bricks

7.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
8.

The more mass an object has, the _______ force it takes to accelerate it.

a)

more

b)

less

9.

Calculate the net force of the object in the image shown.

a)

5N

b)

35N

c)

10N

d)

15N

10.

the rate at which speed or velocity changes

a)

acceleration

b)

average speed

c)

motion

d)

reference point

11.

Which of Newton's laws explains the lifting of a rocket into space?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

12.

A car runs into a wall. What will happen to the people in the car?

a)

They will be pushed backwards by the force of the wall.

b)

They will be thrown forward because of the force of the car.

c)

They will keep moving forward until they hit their seatbelt or the dashboard.

d)

They will be pushed in all directions equally.

13.

Objects with greater _________ also have greater inertia.

a)

speed

b)

mass

c)

force

d)

friction

14.
a force that opposes motion between any surfaces that are touching
a)
velocity
b)
friction
c)
inertia
d)
position
15.

Which of the following is going the fastest?

a)

A

b)

B

c)

C

d)

All of the the above

16.

What is happening in this Distance/Time graph?

a)

acceleration: increasing speed

b)

no motion

c)

constant speed

d)

decreasing speed

17.

Which runner stopped during the race?

a)

A

b)

B

c)

C

d)

None

18.
What kind of acceleration is shown here?
a)
positive
b)
negative
c)
none
d)
varies
19.

The graph shows the velocity of a bicycle as the rider begins to move from a stop

What does the slope of the graph represent?

a)

acceleration

b)

displacement

c)

time

d)

velocity

20.

which graph is constant speed?

a)
b)
c)
d)
21.
Which runner won the race?
a)
A
b)
B
c)
C
22.
There are _____ centimeters in a meter.
a)
10
b)
100
c)
1,000
d)
10,000
23.
A ping-pong ball rolls forward 6 meters, and bounces backward 3 meters. It traveled a total distance of:
a)
9 meters
b)
6 meters
c)
3 meters
d)
0 meters
24.

Two people walk across a parking lot. Their paths are shown in the image. Who traveled a larger distance?

a)

Person A

b)

Person B

c)

They both went the same distance

25.

Two people walk across a parking lot. Their paths are shown in the image. Who traveled with a larger displacement?

a)

Person A

b)

Person B

c)

They both had the same displacement.

26.

Which of these is a measure of force?

a)
100 newtons
b)
100 meters per second
c)
100 joules
d)
100 watts
27.

If you did the same work as someone, but in less time

a)

You are more powerful

b)

You are less powerful

c)

You have the same power

28.

Power is measured in

a)

Watts

b)

Jules

c)

Seconds

d)

Newtons

29.

What is the correct formula for calculating work?

a)

work= force x distance

b)

work= force/distance

c)

work= distance/force

d)

work= distance-force

30.

A woman applies 20 N force to move a chair 5 meters. How much work did she perform?

a)

100 Joules

b)

5 Joules

c)

25 Joules

d)

15 Joules

31.

A child performs 30 J of work in 15 seconds. What is their power?

a)

2 watts

b)

15 watts

c)

45 watts

d)

450 watts

32.

A slide would be an example of which type of simple machine?

a)

Lever

b)

Inclined plane

c)

Wheel and axle

d)

Wedge

33.

A teeter-totter would be an example of which type of simple machine?

a)

Inclined plane

b)

Wedge

c)

Pulley

d)

Lever

34.

A drill bit would be an example of which type of simple machine?

a)

Lever

b)

Wedge

c)

Incline plane

d)

Screw

35.

Which is not a simple machine?

a)

Pulley

b)

Screw

c)

Wedge

d)

Spring

36.

Which of these is an example of a wedge?

a)

Knife

b)

Stairs

c)

Skateboard

d)

Broom

37.

What simple machine has a fulcrum and can be used to lift a weight?

a)

Pulley

b)

Lever

c)

Wedge

d)

Incline

38.

Which simple machine is this?

a)

Pulley

b)

Wheel-and-axle

c)

Inclined Plane

d)

Lever

39.

What simple machine is in this image

a)

Wedge

b)

Lever

c)

screw

d)

wheel and axel

e)

pulley

40.

What simple machine is in this image

a)

Wedge

b)

Lever

c)

screw

d)

wheel and axel

e)

Incline plane

41.

What simple machine is in this image

a)

Wedge

b)

Lever

c)

screw

d)

wheel and axel

e)

Incline plane

42.

Machines make work much...

a)

Harder

b)

Longer

c)

Easier

d)

More Boring

43.
The amount by which a machine multiplies input force is known as the 
a)
work.
b)
power.
c)
output force.
d)
mechanical advantage.
44.

a machine that utilizes two or more simple machines

a)

compound machine

b)

machine

c)

wedge

d)

screw

45.

Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever (MA=Output Force/Input Force)?

a)

1

b)

10

c)

100

d)

1000

46.

Which box has the most inertia?

a)

Pencils

b)

Books

c)

Feathers

d)

Bricks

47.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
48.

Are the forces acting on this object balanced or unbalanced?

a)

Balanced

b)

Unbalanced

49.

Are the forces acting on this object balanced or unbalanced?

a)

Balanced

b)

Unbalanced

50.

What is the net force?

4 lines
51.

The diagram shows a man snapping a table cloth horizontally. The glass half-filled with water remains on the

table because of inertia,Which of the following measures will increase inertia?

a)

Use a smooth cloth

b)

Use a rougher cloth

c)

Pull the cloth with greater force

d)

Fill the glass with more water

52.

__________ and ___________ will prevent the passenger from hitting the dashboard.

a)

bumper

b)

seatbelt

c)

airbag

d)

windshield

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