Advertisements
Advertisements
Question
Look around you – where all do you see the use of pulleys? List them.
Solution
Pulleys are used
- to fetch water from wells
- in moving trolleys
- in elevators
- in flagpoles to hoist flags
- to lift heavy loads in construction sites
- in moving curtains in theatres
- in cranes and bulldozers
APPEARS IN
RELATED QUESTIONS
With the help of a pulley, try and lift various things, as shown in the picture.
How many people do you think can cross the bridge at one time?
Draw a picture of the bridge in your notebook. Do not forget to draw the train, vehicles, animals or people who cross the bridge.
Imagine what difficulties there would be if the bridge was not there? Let us find out some other ways by which children get to school.
Have you seen any other kind of boats?
Do you have bullock-carts where you live?
How many children come on bicycles to your school?
Would you like to ride in something like this? Why?
Do you think that such places have snow all the time? Why?
Do you think that punishment should not be there in schools?
