NCERT Books - All About NCERT Books

(a) In a single fixed pulley, the velocity ratio is always more than the mechanical advantage.(b) The efficiency of a movable pulley is always less than 100%.(c) In case of block and tackle system, the mechanical advantage increases with the increase in the number of pulleys.(d) The lower block of a block and tackle pulley system must be of ... ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download