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tension
it may be gravity
When there is a divergent boundary, regardless if the plates are ocean-ocean or continental-continental, tensional stress pulls on the crust. Rocks have weaker tensional strength than compressive strength, so they are easier to pull apart.
When a huge piece of crust diverges (pulls apart), the crust becomes fractured and magma spills out on the surface.
The low pressure inside the hurricane is what ultimately produces it. The low pressure in a hurricane pulls air inward. As this air converges it is then force upward. There it becomes warmer than its surroundings and rises due to its own buoyancy.
Tension stretches or pulls apart the crust.
These are tensile forces.
Tensile stress.
Tensile stress.
Gravity is an attractive force wich pulls everything together, however, the universe is being pulled apart and therefore graviy is not what is doing this. The force which is pulling the universe apart is dark energy wich is a repulsive force which pulls everything apart.
it may be gravity
tension
The force that pulls atoms apart is called fission. Nuclear reactors use controlled fission to produce massive amounts of energy.
yes tension pulls the rocks apart which produces expanding faultscompression pushes the rocks together which produces crushing faultsshear slides the rocks past each other which produces slipping faults
Generally materials that fly apart are being pushed rather than pulled. We could devise a mechanism that pulls materials apart - for example, if we attach two hooks and pull them on winches in opposite directions. In that case we would describe the force as mechanical in nature. But it is more likely that things get pushed apart by their own internal pressure.
Tensile stress is the result of a force acting over a cross sectional area that pulls material apart. This occurs in normal faults, rift valleys and at divergent plate boundaries.
The slab sinks faster and this pulls on the rest of the plate, continuing plate tectonics. Mantle convection creates the instability that allows plate tectonics to get going and helps a little, but it's not thought to be the main driving force.