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How force affect the objects that we apply on? [duplicate]
Why do things get accelerated rather than do a moving at constant speed when we apply a force on them? How my force affect the object at atomic level? Does it increase the kinetic energy of atoms ? If ...
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Why do we experience more centripetal force when we make a sharp turn compared to a wide turn? [duplicate]
If $F=m\omega^2r$, why do we experience more force when we decrease the radius of the turn?
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Explanation about friction force directions of two moving bodies in contact
can someone explain me why in this scenario (picture below) we have a friction force Ftr12 in the same direction as movement (left part of the picture, case 1 ) and how these directions of friction ...