Homework Help: physics

Posted by Christy on Monday, April 16, 2012 at 4:49am.

The relationship between magnetic force and magnetic pole strength is similar to the relationship between which of the following?. A) force, mass, and distance as in Newton's law of gravity.B) All of these.C) current, voltage, and resistance as in Ohm's law.D) Two of these.E) force, charge, and distance as in Coulomb's law

physics - bobpursley, Monday, April 16, 2012 at 4:52am
So what do you think, Christy?
physics - Christy, Monday, April 16, 2012 at 4:59am
all of these
physics - bobpursley, Monday, April 16, 2012 at 5:08am
Hardly. It seems to me Coulombs law and the Magnetic strength equation are very similar.
physics - Elena, Monday, April 16, 2012 at 9:01am
1. The magnitude of magnetic force
F =I•L•Bsinα.
2. Newton's law of gravity
F= G •q1•q2/r^2
3. Ohm’s Law
U =I•R
4. Coulomb’sLaw
F= G• m1•m2/r^2
I believe that similar are #1 and #3, as #2 and # 4 are inverse proportional laws

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