
Where's the action force if the normal force is a reaction force ...
Jun 6, 2018 · The discussion clarifies that the normal force is not a reaction force to gravitational force, as the gravitational force acts on an object from Earth, while the reaction force is the object's force on …
Is the Normal Force Always Equal to the Weight of an Object?
Feb 10, 2012 · The normal force is not the net force acting on a system; rather, it is a component of the net force, which is the sum of all forces acting on an object. Additionally, the term "solid" is relevant …
What Is the Normal Force in Newtonian Mechanics? - Physics Forums
Oct 25, 2010 · Hi everyone. I just started learning some basic Newtonian mechanics and several questions arose. Hope you could help me with it. Thank you. 1. What exactly constitutes the "normal …
Normal force acting on a ladder lying against a wall
Aug 1, 2010 · Hi.. I am just confused normal forces. The definition of normal force is always perpendicular to the surface. But when we draw a free body diagram for a ladder lying against the …
Reaction force of and its relation to normal force and friction
Oct 6, 2022 · Hello, When we consider a block sitting on a surface, the gravitational force ##W## and the normal force ##F_N## are applied to the block. Both equal i magnitude and opposite in direction. …
Why is normal force always perpendicular to the surface?
Mar 18, 2016 · Why is normal force always perpendicular to the surface? I understand that normal force is the upward reaction force by a surface due to an external action force pushing the surface. Then, if …
Understanding Normal Forces on Horizontal, Vertical, and Diagonal ...
Nov 18, 2017 · The discussion centers on the concept of normal force, emphasizing its role in preventing objects from falling through surfaces, regardless of their orientation. Normal forces act …
Frequently Made Errors in Mechanics: Friction - Physics Forums
May 8, 2015 · Definition: The normal force that body A exerts on body B is that force of minimum magnitude which suffices to prevent penetration of its surface.
What are Reaction Forces and how do they relate to Newton's third law ...
Jul 24, 2014 · Definition/Summary Between two bodies in contact, there is a pair of Reaction Forces. They are always equal but opposite (this is precisely Newton's third law), and so it is usual (though …
How Does a Weighing Machine Measure True Weight? - Physics Forums
May 2, 2011 · A weighing machine is measuring the normal force equal and opposite the total force experienced by the object being weighed at the face where the machine and the object meet. Even …