WorksheetsLevers
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
What are the 3 main parts of a lever?
a)
FOOT, EFFORT, REPORT
b)
FULCRUM, STRUCTURE, EFFORT
c)
FULCRUM, EFFORT, LOAD
2.
This baseball pitcher is demonstrating which type of lever at the shoulder?
a)
1st class
b)
2nd class
c)
3rd class
d)
4th class
3.
A see saw is an example of a:
a)
1st class lever
b)
2nd class lever
c)
3rd class lever
4.
This is the fixed point that a lever pivots around
a)
load
b)
scale
c)
fulcrum
d)
effort
5.
The nutcracker is the example of .......................
a)
First Class of lever
b)
Second Class of lever
c)
Third Class of lever
d)
Fourth Class of lever
6.
What is definition of the effort?
a)
The fixed point or pivot
b)
The point where the force is applied
c)
The point where the weight/resistance is coming from
7.
The diagram shows a crowbar used to lift an object. What parameters should be change to lift heavy object with small effort applied?
a)
Decrease distance r1
b)
Increase distance r1
c)
Increase distance r2
d)
r1 must be same as r2
8.
Which acronym is used to identify the lever class?
a)
ELF
b)
LEF
c)
FLE
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