Question

try to give answer for any one of this​

Answer 1

Answer:

3. the SI unit of force is newton (N).

2.Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, or sulfide.

11. Metal are solid in nature whereas non- metals are solid, liquid and gas.

Explanation:

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Answer 2

Answer:

$4..$  Pushing a car up a hill or kicking a ball across a room are some of the everyday examples where contact forces are at work. In the first case the force is continuously applied by the person on the car, while in the second case the force is delivered in a short impulse.                                                    

$3..........$The SI unit of force is the newton, symbol N. The base units relevant to force are: The metre, unit of length — symbol m. The kilogram, unit of mass — symbol kg.