Font size
WorksheetsHow well do you know about Lever??
Total questions: 15
Worksheet time: 14mins
Who was the first to discover the principle of lever?
(a)
When did this person discover this principle?
I have no idea
Dinosaur ages
300 BC
third century BC
What are the parts of a lever?
Beam
Fulcrum
Effort arm
Resistance Arm
All of the above
What does the principle of lever state?
Load*Load Arm = Effort*Effort Arm
Load/Effort = Effort arm/Load arm
Resistance x force + effort will be equal always
All of the above
Select examples/example of 3rd class lever:
tweezers
Wheel barrow
Ice tongs
Fishing rod
Spoon
What is the position of the parts of a lever in the 1st class lever?
The Fulcrum is located between the Load and the Force.
The Force is between the Load and the Fulcrum.
The Load is between the Force and the Fulcrum.
Name the examples of a class 2 lever
wheelbarrows, staplers, bottle openers, nut cracker, and nail clippers.
see-saws, crow bars, hammer claws, scissors, pliers, and boat oars.
shovels, fishing rods, human arms and legs, tweezers, and ice tongs.
Wheelbarrows, shovels, pliers
Name a lever you use in your day to day life
If an effort of 23 kgf is applied on a machine to move a load of 184 kgf, the mechanical advantage will be 8. (True or false)
(a)
What kind of lever is this?
1st class lever
2nd class lever
3rd class lever
For a lever to be a first class lever the fulcrum needs to be ..
on the same side as the load arm.
between the load and the effort
on one side and the load and effort on the other side
This is the fixed point that a lever pivots around
(a)
The nutcracker is the example of 1st class lever. True or false.
True!
No, False!
Check your knowledge!
Is Spoon a first class lever?
true or false?
(a)
What class lever is this?
3rd/2nd/1st (please type in this format)
(a)
