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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A wedge
उत्तर
A wedge – An inclined plane
संबंधित प्रश्न
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
Give a reason for the following.
Machines are able to make our work convenient.
Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
Write the relation between mechanical advantage, velocity ratio and efficiency.
Write an expression for the mechanical advantage of an inclined plane.
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
Classify the following as a lever, a pulley and an inclined plane:
An opener
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
Why is this so machines have to be maintained?
Identify and mention the types of simple machines.
 |
 |
 |
| ______ | ______ | _______ |
 |
 |
 |
| ______ | ______ | ______ |
