Why is it more efficient for a labourer to raise bricks up
to a brick layer by the use of a rope and pully than by
carrying them up a ladder ?
Answer / guest
Because the labourer has his own weight to raise as well as
that of the bricks when ascending a ladder, while with the
rope and pully only the load is raised and the energy is not
wasted.
Is This Answer Correct ? | 1 Yes | 0 No |
describe the lewis dot structure of Mg2+?
What is wave number?
What is Sublimation ?
What are the names of the three different rays emitted by radioactive substances ?
What is kentchin?
Explain the Avogadro?s law
When we pour into a tumble, bubbles ate seen outside why?
What is the octane number range of te petrol used in India ? 1)90-95 2)90-99 3)80-90
Why does milk turn sour ?
Why graphite rod is used in nuclear reactor?
when we covert any substance into vapour state from solid state, is it ionized or not?
Explain about Paints and Pigments ?