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प्रश्न
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
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उत्तर
The effort in the centre, the load on one side and the fulcrum on the other side make a lever of the third order.
संबंधित प्रश्न
State whether the following statement is True or False.
A boy does work while pushing a wall.
Define the term ‘work input’ and ‘work output’ in relation to a machine.
State if the following statement is true or false. Correct the statement if it is false.
Work done by a machine is always more than the work done on a machine.
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
(i) Calculate the mechanical advantage of the lever shown in the figure.
(ii) How do you define the mechanical advantage of a machine?
Classify the following as a lever, a pulley and an inclined plane:
A wedge
Which machine will you use to do the following work? Write their type.
To lift bricks to the top of a tall building.
Which machine will you use to do the following work? Write their type.
To cut vegetables.
______ help us to make work easier.
