Physics, asked by s0102012, 3 months ago

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

Answers

Answered by ashlin05

3

Answer:

Here the required force should be the frictional force.

Thus

, F= f

=μmg

=0.25×20×10

=50N

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