What is meant by positive work, negative work and zero work ? Illustrate your answer with examples of each type.

Positive And Negative Work

What is meant by positive , negative and zero work done ? Give an example of each of them .

(a) Define geotropism. Give one example of geotropism. (b) What is meant by 'positive geotropism' and negative geotropism? Give one example of each type. Draw a labelled diagram to illustrate your answer indicating the plant part which shows positive geotropism and the plant part which shown negative geotropism. (c) Name one plant part which exhibits positive thigmotropism.

What do you mean by negative working capital?

What is meant by saying that 'force is due to an interaction'? Give an example to illustrate your answer.

What is meant by hydroboration-oxidation reaction ? Illustrate it with an example.