Advertisements
Advertisements
Question
Name the levers mentioned in the following passage. Identify the fulcrum, load, and effort of each and say which type of lever it is.
Ravi and Savita sit on a seesaw in a garden. In the meantime, a gardener is trimming trees in the garden. He puts the leaves and other garbage in the wheelbarrow. Later, Ravi gets thirsty and he buys lemon sherbet. The sherbet seller cuts the lemon and squeezes it using a lemon squeezer. He puts small pieces of ice in the glass with the help of the tongs.
Advertisements
Solution
Levers mentioned in the passage are:
- Sea-saw: It is a first-order lever.

- Wheelbarrow: It is a second-order lever.

- Lemon squeezer: It is a third-order lever.

- Tongs: It is a fourth-order lever.

RELATED QUESTIONS
State whether the following statement is True or False.
In an ideal machine, work done on load is equal to the work done by effort.
Name six simple machines. Give an example of each machine.
Answer the following.
What is a machine?
Answer the following.
What do you understand by a complex machine?
What is an inclined plane?
Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
Can a machine be 100% efficient?
Give scientific reason for the following:
Passengers in a bus are pushed backward when it starts suddenly.
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
Simple machines usually exchange a larger force to move a heavy object.
