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why a force is applied at right angles to the heavy doors at the outer edge while closing or opening it please answer to this question this is very important queation

why  a force is applied at right angles to the heavy doors at the outer edge while closing or opening it
please answer to this question this is very important queation

Grade:11

1 Answers

John Sharon Sandeep
41 Points
6 years ago
Force is applied at the outer edge of the lever(here the door) as there is increased `leverage`. This is because at this case R (distance from hinge) is more .Since torque=F×R., increase in R would lead to increase in torque, hence easier the work☺☺

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