Ridge push (gravitational force at the spreading ridges)
Slab pull (gravitational force in seduction zones)
Explanation:
Image result for Tectonic plates move due to what forces
Plates at our planet's surface move because of the intense heat in the Earth's core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down.
