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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.

0 votes
3 answers
61 views

What is the meaning force averaged over a long time?

There was problem in my high school test which says, There is a ball of mass $m$ between two walls (seperated at a distance $d$) moving with speed $v$. The collision of ball with the walls is perfect …
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8 votes
3 answers
2k views

Why a moving car dips to front when brakes are applied?

Consider a moving car and brakes are applied on the road.It feels the car's front wheel are more pressurized than the back ones. Why? I tried to convince myself using difference in normals on both tir …
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  • 242