Question

a force of 5 kgf is required to cut a metal sheet . a shear used for cutting a metal sheet has its blades 5cm long while its handles is 10 cm long. what effortis needed to cut the sheet

Answer 1

by the principle of lever
load *load arm=effort*effort arm
5*5=effort*10
hence effort =2.5kgf

Answer 2

ANSWER: the effort needed to cut the sheet is 2.5 cm

Explanation:

BY THE PRINCIPLE OF LEVER

effort x effort arm/ load x load arm

10 x effort arm / 5 x5

2.5