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LEVER

Total questions: 65

Worksheet time: 34mins

Name
Class
Date
1.
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
2.

An example of a lever is

a)

doorstop

b)

drill

c)

staircase

d)

hammer

3.
A lever turns back and forth on a
a)
effort
b)
load
c)
work
d)
fulcrum
4.
Which of the following is true for the picture?
a)
elephant is the fulcrum, mouse is the effort, triangle is the load
b)
mouse is the fulcrum, triangle is the effort, elephant is the load
c)
triangle is the fulcrum, mouse is the effort, elephant is the load
5.

A simple machine that consists a rigid bar that pivots on a fixed point

a)

lever

b)

pulley

c)

wheel and axle

d)

fulcrum

6.

A seesaw is an example of a

a)

wedge

b)

lever

c)

inclined plane

d)

pulley

7.

The fixed point on the lever is called

a)

load

b)

resistance

c)

bar

d)

fulcrum

8.

A lever is designed to:

a)

decrease the amount of force required to do work

b)

decrease the amount of time required to do work

c)

increase the amount of energy needed to work

d)

decrease the amount of work done

9.
Scissors are an example of what simple machine?
a)
Wheel and Axle
b)
Pulley
c)
Lever
d)
Inclined plane
10.
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
11.
What two things does a lever change?
a)
size and speed
b)
force and effort
c)
direction and amount of force
d)
direction and speed
12.
The place where a lever pivots is called the _______.
a)
Load
b)
Force/Effort
c)
Fulcrum
d)
Rigid Bar
13.
What class of lever is this?
a)
1st class
b)
2nd class
c)
3rd class
d)
None of the above
14.
_________ is an example of a lever.
a)
Hammer
b)
Crowbar
c)
Wheelbarrow
d)
All of the above
15.
Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
d)
Coach  Class Lever
16.
A see saw is an example of a:
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
17.
How many types of levers are there?
a)
1
b)
2
c)
3
d)
4
18.
A wheelbarrow is an example of a:
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
19.
3. Which type of lever is this?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
20.
How can the lever be balanced?
a)
add weight to the right side
b)
move the fulcrum right
c)
move the heavier weight back
21.

How many classes of levers are there?

a)

1

b)

2

c)

3

d)

4

22.

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

23.
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. 
24.
In second class lever, the load is between the fulcrum and _______.
a)
Load
b)
Effort
c)
Stone
25.

What class lever is a pair of scissors?

a)

First class lever

b)

Second class lever

c)

Third class lever

26.

What class lever is a nutcracker?

a)

First class lever

b)

Second class lever

c)

Third class lever

27.

What class lever is a fishing rod?

a)

First class lever

b)

Second class lever

c)

Third class lever

28.

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)
29.

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

30.

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

a)

A

b)

B

c)

C

d)

D

31.

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

32.
Levers make work ________.
a)
Harder
b)
Easier
c)
Alright
d)
OK
33.

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

a)

first

b)

second

c)

third

34.
a)
Load
b)
Fulcrum
c)
Effort
d)
None of these
35.
a)
Fulcrum
b)
Effort
c)
Load
d)
None of these
36.

Which type of lever is this?

a)

First Class Lever

b)

Second Class Lever

c)

Third Class Lever

37.

What kind of lever is this?

a)

First Class Lever

b)

Second Class Lever

c)

Third Class Lever

38.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
39.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
40.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
41.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
42.
a)
1st Class
b)
2nd Class
c)
3rd Class
d)
It is not a lever
43.

What class lever is an old-fashioned scale?

a)

1st

b)

2nd

c)

3rd

44.

What class lever is a pair of pilers?

a)

1st

b)

2nd

c)

3rd

45.

What class lever are tongs?

a)

1st

b)

2nd

c)

3rd

46.

Which class lever is the diagram shown?

a)

First class lever

b)

Second class lever

c)

Third class lever

d)

Not a lever

47.
WHAT ARE THE 3 MAIN PARTS OF A LEVER?
a)
FOOT, EFFORT, REPORT
b)
FULCRUM, STRUCTURE, EFFORT
c)
FULCRUM, EFFORT, LOAD
48.

What class lever is a pair of scissors?

a)

1st

b)

2nd

c)

3rd

49.

What class lever is a nutcracker?

a)

1st

b)

2nd

c)

3rd

50.

What class lever is a fishing rod?

a)

1st

b)

2nd

c)

3rd

51.

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

a)

first

b)

second

c)

third

52.

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

a)

first

b)

second

c)

third

53.
a)
Load
b)
Fulcrum
c)
Effort
d)
None of these
54.
a)
Load
b)
Fulcrum
c)
Effort
d)
None of these
55.

What class lever does this picture show?

a)

1st

b)

2nd

c)

3rd

56.
A see saw is an example of a:
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
57.
A wheelbarrow is an example of a:
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
58.

What class lever is a seesaw?

a)

1st

b)

2nd

c)

3rd

59.

What class lever is a wheelbarrow?

a)

1st

b)

2nd

c)

3rd

60.

What class lever is a pair of tweezers

a)

1st

b)

2nd

c)

3rd

61.

Name the simple machine on the pedals, handle bars and handbrakes on a bicycle

a)

wedges

b)

pulleys

c)

incline planes

d)

levers

62.

This device:...

a)

wedge

b)

lever

c)

incline plane

d)

wheel and axle

63.

A _____ is a fixed bar that is free to move around a fixed point known as a fulcrum

a)

pulley

b)

inclined plane

c)

lever

d)

wedge

64.

Mei Mei used a spoon to open the lid of a biscuit tin. What is the simple machine involved?

a)

Lever

b)

Screw

c)

Wedge

d)

Inclined plane

65.
This is an example of what simple machine?
a)
pulley
b)
lever
c)
screw
d)
inlined plane

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