The easiest way to open a heavy door is by applying the force
Near the hinges
In the middle of the door
At the edge of the door far from the hinges
At the top of the door
Answers
Answer:
It is easier to open a door by applying the force at the free end of it because of the larger the perpendicular distance, less is the force needed to turn the body.
Answer:
At the edge of the door far from the hinges
Explanation:
The definition of moment of force is
M=F*r
Because the perpendicular distance is greater, it is simpler to force a door open from its free end. Less force is required to rotate the body.
The tendency of a force to cause a body to rotate around a particular point or axis is measured by its moment. This is distinct from a body's propensity to translate or move in the force's direction. The force must act on the body in such a way that the body would start to twist for a moment to develop. Every time a force is applied so that it misses the body's centroid, this happens. The absence of an equal and opposing force directly along a force's path of action causes a moment.
Think of two individuals approaching a door's doorknob from opposing directions. If they are both pushing with an equal force then there is a state of equilibrium. If one of them would suddenly jump back from the door, the push of the other person would no longer have any opposition and the door would swing away. The person who was still pushing on the door created a moment.
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