An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall? Chapter Chosen force and pressure. Book Chosen science. Subject Chosen science. Physical Quantities and Measurement. Force and Pressure. Light Energy. Heat Transfer. Objective Questions. Camels have to walk on sand, and to walk fast their feet should not sink in sand.
The feet area is broad to exert less pressure which makes the feet sink less in sand. Book a free class. R : Camels feet Why do electrostatic capacitors have large capacitives? Why do plant cells have large-sized spores? Why do metals have a large number of free electrons?
Why do noble gases have comparatively large atomic sizes? Why do higher animals have special respiratory organs with large area? The pad makes the camel stable by spreading its weight evenly across the wide foot. Dromedary camels have one hump, while Bactrian camels have two humps.
The humps are used to store fat. They act like huge food stores the camels can use when there is nothing available to eat. In underfed camels, the humps become floppy as the stores of fat are used up.
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