
Choose the odd one out.

Important Questions on Functions
The diagram below shows a pulley arrangement:
Copy the diagram and mark the direction of tension on each stand of the string.
What is the velocity ratio of the arrangement?
If the tension acting on the string is, then what is the relationship between and effort ?
If the free end of the string moves through a distance , find the distance by which the load is raised.




Read the clues and fill up the crossword:
Across:
1. A nail with grooves.
2. A push or pull.
3. A rod fixed at one end.
4. A wheel that rotates with a rope.
5. Method to reduce friction in machines.
Down:
6. A wheel that spins on a bar.
2. A force that stops movement.
7. A change bought by applying force.


Find four types of simple machines from the following word puzzle.














