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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.
2
votes
Accepted
Why are dependancies multiplied when a physical quantity is dependant on two different quant...
When we say $F$ is directly proportional to $M_1$, we mean that keeping other things/factors constant, $F$ will change by as much as $M_1$ changes.
This keeping other things/factors constant part is c …
1
vote
Accepted
How does a simple pendulum gain its acceleration?
You explained it almost correctly in your last paragraph. I'm elaborating it to explain exactly what happens when $F$ is removed.
The moment the horizontal $F$ is removed, tension $T$ changes to $T'$ …
1
vote
How can there be force with no work if $W = Fd$ and $F = ma$?
If there is a net force, there will be a net acceleration.
Acceleration means there is going to be displacement, and now there is a possibility of work.
Possibility because though force dictates curre …