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Results tagged with forces
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user 155193
This tag is for the classical concept of forces, i.e. the quantities causing an acceleration of a body. It expands to the strong/electroweak force only insofar as they act comparable to ‘classical’ forces. Use the [particle-physics] tag for decay channels due to forces and [newtonian-mechanics] or one of the other subtopics of [classical-mechanics] for the dynamics of classical systems.
1
vote
Can Force be measured directly?
According to the standard model of particle physics all forces occur due to exchange of the force carrier particles called 'bosons'.Four fundamental forces of nature have been found yet and each was expected … hence the concept of forces is not merely hypothetical,it has a physical significance.The "force sensors" in general are the particle accelerators(such as the L.H.C.) which measure the forces implicitly …
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3
votes
Is it true that a book kept on the table is accelerating with $9.8 m/s^2$?
When the book is kept on the table,from the frame of reference of the observer standing near the table the forces acting on the book are the gravitational force acting downward due to earth and normal … reaction acting upwards due to the table.These two forces are equal and opposite to each other and hence the net force acting on the book is zero.Since the net force is zero,from Newton's second law(F= …
- 348