Question

help......................​

Answer 1

Answer:

Explanation:

1. 4

2. 1

3. 1

4. 1

5. 4

Answer 2

Explanation:

a.(iv)

Area of contact is inversely proportional to pressure.

If area I increases then pressure will decrease.

b.(i)

c.(i)

First convert centimetre square into metre square and then apply the formula of pressure force and area relation.

d. (i)

contact area is inversely proportional to the pressure.If area is doubled the pressure will be halved.

e.(iv)