Interested to Buy Any Domain ? << Click Here >> for more details...
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 ?
- 1 Answers
- 4158 Views
- I also Faced
- E-Mail Answers
Answer Posted / 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 |
Post New Answer View All Answers
What is iron ore consists of?
What is the purpose of adding urea?
Why USP put two methods for tapped density? When I should use each one?
What is the white precipitate produced at the end of point?
Differentiate between organic and inorganic chemistry?
Why be is not soluble in liquid ammonia?
What are the uses of glacial acetic acid?
Why is the role of glycerol & naoh?
What is mole?
How is temporary hardness be removed?
How BIS Decedied the LSF value 0.66-1.02 with calculation.
How are ph and pka related?
why is acetic acid less conductive than hcl?
What is weak acid?
What is edta?
