Question

.plz solve this fast whomever does it correct I will make him or her a brain list
plz solve fast and don't do directly
write some lines or statement s
5 no.

Answer 1

Given,

(a) Load arm = 30 cm

(b) Effort arm = ( 90+30) cm = 120 cm

(c) mechanical advantage =effort arm/load arm
=120cm/30cm

Answer 2

Answer:

I also don't know about the question