What are some types of electromagnetic forces?

AI Thread Summary
Electromagnetic forces are one of the four fundamental forces in nature, encompassing both electric and magnetic forces. Everyday examples of electromagnetic forces include friction, tension, and normal forces, which are all influenced by electromagnetic interactions at the atomic level. The discussion clarifies that nearly all forces, aside from gravity, can be classified as electromagnetic in nature. Understanding these forces is essential for grasping various physical phenomena. Overall, electromagnetic forces play a crucial role in everyday interactions and the behavior of matter.
jen333
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h'mm... anyone know some types of electromagnetic forces?

-jen
 
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I'm not sure what you mean. The electromagnetic force is a fundamental type of force in nature. It's one of the four fundamental types of forces (at least in classical physics).
 
electromagnetic force = electric force + magnetic force...
can you give me some examples...
 
I think the question is asking "what types of everyday forces are fundamentally electromagnetic forces." The answer is practically any force you can think of other than gravity.
 
Thread 'Variable mass system : water sprayed into a moving container'

Thread 'Variable mass system : water sprayed into a moving container'

Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
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