Question

А
)
1
B
1
@
1
1
20cm
40 cm
Find (a) the load arm, (b) the
effort arm, c).
the mechanical advantage, and you the minimum
offort required to keep the leg just of
the
ground​

Answer 1

Answer:

ask your question properly

Answer 2

Answer:

Please send the question properly.

Explanation:

This question doesn't make meaning at all.