Question

why is it easy to open a door by pulling or pushing it at handle ?? answer me according to 10 marks

Answer 1

Answer:

As distance increases, torque increases and so the rotational effect increases. Hence, it is easier to push open a door by holding the knob than by pushing closer to the hinge. To explain it to a child, just explain that it's easier for a force to work when it has some more "space" to move about than, when it doesn't.

Explanation:

Answer 2

Answer:

It is easier

Explanation:

As it requires minimal muscle work and you only use a small part to push the door so the sweat and other bodily fluid do not rot the door and also it provides tourque