What happens to the oceans tides if the ocean if the Earth spins slower?

What changes would result in a decrease in the gravitational force between two objects? check all that apply.

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

The heliocentric and the geocentric models of the solar system included these central principles