Question on: JAMB Physics - 2022
Which of these is a second-class lever?
A
sugar tongs
B
claw hammer
C
plier
D
wheelbarrow
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Correct Option: D
A second-class lever has the load between the fulcrum and the effort. A wheelbarrow is a classic example of this, where the wheel is the fulcrum, the load is the weight in the barrow, and the effort is the force applied to the handles. The other options are either first-class (claw hammer and plier) or third-class (sugar tongs) levers.
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