Can a platform be in equilibrium if the two upward forces are equal to each other?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

The force it would take to accelerate an 900-kg car at the rate of 6m/s2