Question

1. Lorries and trucks that carry heavy loads usually have broad rear tyres. Why?

2. Why do flying birds don't fall down to ground even though gravity is acting on them?

3. A hot piece of iron is hammered by a blacksmith. In what ways does the force due to hammering affect the piece of iron?
please answer my question.......​

Answer 1

Answer:

1) Because the larger the surface area the lesser pressure on the ground

2) because they maintain their centre of gravity

3) hot object tend to be more flexible when hit hard since their ductility imcreases.

Explanation:

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