Advertisements
Advertisements
प्रश्न
Which machine will you use to do the following work? Write their type.
To lift bricks to the top of a tall building.
Advertisements
उत्तर
To lift bricks to the top of a tall building, we should use a crane, which is a pulley.
संबंधित प्रश्न
Name six simple machines. Give an example of each 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.
Define Mechanical advantage
Define Velocity Ratio
Define Efficiency
What is the efficiency of an ideal machine?
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 second order.
Why is this so machines have to be maintained?
The idea of a simple machine originated with the Greek philosopher Archimedes.
