Which statement did kepler’s investigations of the movement of the planets explain?

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

i think it would be 5

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle