a box weighs 20 kgf how much force will be required to lift a box usin – InterviewSolution

1.

a box weighs 20 kgf how much force will be required to lift a box using class 1 lever please give explanation

Answer»

Here the required force should be the FRICTIONAL force.

, F= f

=μmg

=0.25×20×10

=50N

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