Question

fig.3.34 shows a block and tackle system of pulleys used to lift a load. (a)how many strands of tackle are supporting the load?(b) Draw arrows to represent tension
7 in each strand.
(c) What is the mechanical advantage
of the system ?
(d) When load is pulled up by a
distance 1 m, how far does the
effort end move ?
(e) How much effort is needed to lift
a load of 100 N ?
EFFORT
LOAD​

Answer 1

Answer:

may it is HELPFULL a.b.c.d.

4

Answer 2

Answer:

hope you see above attachment