Advertisements
Advertisements
प्रश्न
Define Mechanical advantage
उत्तर
Mechanical advantage (M.A.): The ratio of the load to the effort is called the mechanical advantage of the machine.
APPEARS IN
संबंधित प्रश्न
Name six simple machines. Give an example of each machine.
Define the term ‘work input’ and ‘work output’ in relation to a machine.
A machine is 75% efficient’. What do you understand by this statement?
What do you understand by a simple machine?
(i) Calculate the mechanical advantage of the lever shown in the figure.
(ii) How do you define the mechanical advantage of a 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
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
What is a lever? How are the orders of the lever determined?
Why is this so traveller’s bags have wheels?
