F = mg

F= E*q

F = (k q1*q2)/r^2

F = (Gm1*m2)/r^2

E_p = mgh

E_p = kx²/2

E = F/q₀

E_k = m $$\upsilon$$  ²/2

E = mgh

E = mv²/2

E = U/d

E = E₁+ E2 + E3+ ... +E_n

A = q U

A = F S

E = U/d

E = mv²/2

E = mgh

$$\phi$$  = W_b/q

U = A/q

E = F/q

A ₁₂ = q U

U = ф2-ф1 

А = FS

A = $$\Delta$$  E_k