. A force of 5 kgf is required to cut a metal sheet
A force of 5 kgf is required to cut a metal sheet. A shears used for cutting the metal sheet has its blades 5 cm long, while its handle is 10 cm long. What effort is needed to cut the sheet?
Best Answer
Effort arm = 10 cm
Load arm = 5 cm
Mechanical advantage M.A. = Effort arm / Load arm
= 10 / 5
= 2
To find effort, we have
Effort = Load / M.A
= 5 / 2
= 2.5 kgf
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