Final answer:
Jackson Pollock is the abstract artist known for creating paintings by dripping paint onto a huge canvas laid out on the floor.
Step-by-step explanation:
The abstract artist who created paintings by dripping paint onto a huge canvas laid out on the floor is Jackson Pollock. He was known for his unique style of painting, called 'drip painting' or 'action painting', where he would pour or drip paint directly onto the canvas, often without using brushes or other traditional painting tools. Pollock's famous works, such as 'Autumn Rhythm (Number 30)' and 'No. 5, 1948', showcase his signature technique and are highly regarded in the art world.
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