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Worksheets

Lever

Total questions: 40

Worksheet time: 17mins

Name
Class
Date
1.
How can the lever be balanced?
a)
add weight to the right side
b)
move the fulcrum right
c)
move the heavier weight back
2.
To increase the mechanical advantage of a lever
a)
make sure the fulcrum is in the middle of the lever
b)
move the fulcrum closer to the load
c)
move the fulcrum closer to the effort
d)
use a bigger fulcrum
3.
An object being lifted or moved is a
a)
load
b)
fulcrum
c)
force
d)
work
4.

An example of a lever is

a)

doorstop

b)

drill

c)

staircase

d)

hammer

5.
A lever turns back and forth on a
a)
effort
b)
load
c)
work
d)
fulcrum
6.
Which of the following is NOT a simple machine?
a)
lever
b)
pulley
c)
inclined plane
d)
ring
7.
What is a simple machine?
a)
A device that helps reduce the amount of force required to do work
b)
A device that helps increase the amount of force required to do work
8.
Scissors are an example of what simple machine?
a)
Wheel and Axle
b)
Pulley
c)
Lever
d)
Inclined plane
9.
What is a lever?
a)
•a moveable bar that cannot move around a fixed point, called a fulcrum.
b)
•a rigid bar that is free to move around a fixed point, called a fulcrum.
c)
•a moveable bar that is free to move around a fixed point, called a fulcrum
d)
•a rigid bar that cannot move around a fixed point, called a fulcrum
10.
The place where a lever pivots is called the _______.
a)
Load
b)
Force/Effort
c)
Fulcrum
d)
Rigid Bar
11.
What class of lever is this?
a)
1st class
b)
2nd class
c)
3rd class
d)
None of the above
12.
_________ is an example of a lever.
a)
Hammer
b)
Crowbar
c)
Wheelbarrow
d)
All of the above
13.
Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
d)
Coach  Class Lever
14.

How many classes of levers are there?

a)

1

b)

2

c)

3

d)

4

15.

The lever is one of the simple machines. A lever consists of

a)

P, Q and R

b)

P, R and S

c)

Q and R

d)

Q, R and S

16.
A wheelbarrow is an example of a:
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
17.
For a lever to be a first class lever the fulcrum needs to be ..
a)
between the load and the effort
b)
on one side and the load and effort on the other side 
c)
on the same side as the load arm. 
18.
In second class lever, the load is between the fulcrum and _______.
a)
Load
b)
Effort
c)
Stone
19.

What class lever is a pair of scissors?

a)

First class lever

b)

Second class lever

c)

Third class lever

20.

What class lever is a nutcracker?

a)

First class lever

b)

Second class lever

c)

Third class lever

21.

What class lever is a fishing rod?

a)

First class lever

b)

Second class lever

c)

Third class lever

22.

The diagram shows a simple machine used to open a the lid of a can. Which of the following situations uses the same principle as lifting up the lid of a can?

a)
b)
c)
d)
23.

What is the function of X in the diagram above?

a)

As a support for the effort needed

b)

As a fixed point around which the rod can move freely

c)

An object that is lifted or moved by the lever

d)

To determine the weight of the load that will be moved to another place

24.

Diagram 2 shows a pair of scissors. Which of the following have been labelled correctly?

a)

A

b)

B

c)

C

d)

D

25.

Suzy finds that a lot of effort is needed to lift the load in the above diagram. How can Suzy use less effort to lift up the load?

a)

Use her leg to press

b)

Move the position of the fulcrum perpendicular to the effort

c)

Position the fulcrum behind the load

d)

Position the fulcrum nearer to the load

26.
Levers make work ________.
a)
Harder
b)
Easier
c)
Alright
d)
OK
27.

For a lever to be a ______ class lever, fulcrum needs to between load and effort

a)

first

b)

second

c)

third

28.
a)
Load
b)
Fulcrum
c)
Effort
d)
None of these
29.
a)
Fulcrum
b)
Effort
c)
Load
d)
None of these
30.

Which type of lever is this?

a)

First Class Lever

b)

Second Class Lever

c)

Third Class Lever

31.

What kind of lever is this?

a)

First Class Lever

b)

Second Class Lever

c)

Third Class Lever

32.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
33.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
34.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
35.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
36.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
37.

What class lever is an old-fashioned scale?

a)

1st

b)

2nd

c)

3rd

38.

What class lever is a pair of pilers?

a)

1st

b)

2nd

c)

3rd

39.

What class lever are tongs?

a)

1st

b)

2nd

c)

3rd

40.

Which class lever is the diagram shown?

a)

First class lever

b)

Second class lever

c)

Third class lever

d)

Not a lever

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