Advertisements
Advertisements
Question
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
Advertisements
Solution
To hold a papad for roasting, we should use a pair of tongs, which is a third-order lever.
RELATED QUESTIONS
State whether the following statement is True or False.
A boy does work while pushing a wall.
What is the principle on which a machine works?
Answer the following.
What do you understand by a complex machine?
A simple machine enables us to lift a load of 10,000 N by the application of an effort of 500 N. However, when the point of application of the effort moves through 2.5 m, the load gets raised through 10 cm only. What are the values of the:
(i) M.A.
(ii) V.R. and
(iii) Efficiency of the machine?
Classify the following as a lever, a pulley and an inclined plane:
A wedge
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
Which machine will you use to do the following work? Write their type.
To remove the lid of a tin.
What is meant by simple machines?
What is a lever?
Name some simple machines.
