Q48 of 176 Page 124

Why do camels have large flat feet?

Camels have large flat feet so that there is a greater area in contact with the sand which produces less pressure on the sand and the camels can move easily on the sand.


More from this chapter

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46

Explain why, buildings and dams have wide foundations.

 47

Why does a ship made of iron and steel float in water whereas a small piece of iron sinks in it.

 49

Name these forces:

(a) The upward push of water on a submerged object.


(b) The force which wears away two surfaces as they move over one another


(c) The force which pulled the apple off Isaac Newton’s tree.


(d) The force which stops you falling through the floor.

 50

A pressure of 10 Pa acts on an area of 3.0 m2. What is the force acting on the area? What force will be exerted by the application of same pressure if the area is made one-third?