Question

6. A pair of scissors is used to cut a piece of cloth by
keeping it at a distance of 8-0 cm from its rivet and
applying an effort of 10 kgf by fingers at a distance
of 2-0 cm from the rivet.
(a) Find : (i) the mechanical advantage of the
scissors, and (ii) the load offered by the cloth.
(b) How does the pair of scissors act : as a force
multiplier or as a speed multiplier ?​

Answer 1

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Effort arm = 2 cm

Load arm = 8.0 cm

Given effort =10kgf

(i) Mechanical advantage M.A = Effort arm/Load arm = 2/8 = 0.25

(ii) load = M.A × effort = 0.25 × 10 = 2.5 kgf

The pair of scissors acts as a speed multiplier because MA < 1.

PLEASE MARK AS BRAINLIEST AND GIVE A THANKS P[LEASE BRO PLS FAST...PLS.;..