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Figure shows a block and tackle system o...

Figure 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 T 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?

Text Solution

Verified by Experts

The correct Answer is:
(a) 4 (c) 4 (d) 4m (e) 25 N
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