Fill in the blanks (a) The useful work done by an actual machine is always ........... than the work done on the machine.
Fill in the blanks
(a) The useful work done by an actual machine is always ........... than the work done on the machine.
(b) In class II levers, the load is in between fulcrum and .............
(c) The mechanical advantage of class ............lever is always less than 1.
(d) A pulley is used to change ....................
(e) Mechanical advantage of an inclined plane is always ...............
1 Answers
(a) The useful work done by an actual machine is always less than the work done on the machine.
(b) In class II levers, the load is in between fulcrum and effort.
(c) The mechanical advantage of class III lever is always less than 1.
(d) A pulley is used to change the direction of effort.
(e) Mechanical advantage of an inclined plane is always greater than 1.