Question

d) in a lever fulcrum is at one end. A load of 10 kgf placed at the other end of the lever at a distance 120cm
An effort is applied 30 cm from the fulcrum.


Find load arm

Find effort arm

Find effort appled​

Answer 1

Explanation:

We are given that

Load arm = 30cm

Effort arm = 90cm+ 30cm

= 120cm

Mechanical advantage =

\frac{Effort\ arm}{Load\ arm}=\frac{120}{30}=4

Load arm

Effort arm

=

30

120

=4