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प्रश्न
Fill in the blank:
The mechanical advantage of class .............. lever is always less than 1.
उत्तर
The mechanical advantage of class III lever is always less than 1.
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संबंधित प्रश्न
In a machine, an effort of 10 kgf is applied to lift a load of 100 kgf. What is its mechanical advantage?
The mechanical advantage of a machine is 5. How much load it can exert for the effort of 2 kgf?
The mechanical advantage of a machine is 2. It is used to raise a load of 15 kgf. What effort is needed?
Solve the following numerical problem.
The length of a lever is 2 m. Calculate its mechanical advantage if the fulcrum is situated at a distance of 40 cm from the effort.
Solve the following numerical problem.
Calculate the mechanical advantage of a crowbar of length 240 cm if its fulcrum is situated at a distance of 40 cm from the load.
