Question

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 handles are 10 cm long. What
effort is needed to cut the sheet ? Ans. 2.5 kgf​

Answer 1

Answer:

LOAD ARM= 5CM = 5/100M= 0.05M

EFFORT ARM=10CM=10/100=0.1M

LOAD=5kgf

load ×load arm = effort×effort arm

=5×0.05=E×0.1

=0.25= E× 0.1

E= 0.25/0.1

=2.5 kgf

ans.

hope this is helpful