Figure 5 shows two pulley systems being used to raise different loads. The pulleys are identical.

      

Figure 5 shows two pulley systems being used to raise different loads. The pulleys are identical.
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State one reason why system B may have a higher efficiency than system A.

  

Answers


John
Effect of weight of second pulley reduces efficiency of A.The Load is B is larger and so effect of friction is less in B, Increasing efficiency
johnmulu answered the question on May 16, 2017 at 07:25


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