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Question
The following diagrams illustrate the positions of the fulcrum, load and effort for a see-saw, common balance, nutcracker and forceps. Select the options that hold true.
The following diagrams illustrate the positions of the fulcrum, load and effort for a see-saw, common balance, nutcracker and forceps. Select the options that hold true.
A see-saw
A common balance
A nutcracker
Forceps
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Solution
The correct options are
A
A see-saw
B
A common balance
C
A nutcracker
D
Forceps
See-saw and common balance are levers of class I. In this type of levers, the fulcrum is situated between the effort and load.
Forceps are levers of class III, In this type of levers, the effort is situated between the fulcrum and the load.
Nutcracker is a lever of class II. In this type of levers, the load is situated between the effort and fulcrum
A
A see-saw
B
A common balance
C
A nutcracker
D
Forceps
See-saw and common balance are levers of class I. In this type of levers, the fulcrum is situated between the effort and load.
Forceps are levers of class III, In this type of levers, the effort is situated between the fulcrum and the load.
Nutcracker is a lever of class II. In this type of levers, the load is situated between the effort and fulcrum
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