Advertisements
Advertisements
प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
Advertisements
उत्तर
The wheel of a flagpole – A pulley
संबंधित प्रश्न
What is an ideal machine?
show a nut cracker In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E .
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
Can a machine be 100% efficient?
A cook used a ‘fire tong pair’ of length 32 cm. to lift a piece of burning coal of mass 500 g. If he applies his effort at a distance of 8 cm from the fulcrum, what is his effort? Assume friction etc. to be absent. Also, obtain values of the M.A. and the V.R. of this ‘machine’.
Classify the following as a lever, a pulley and an inclined plane:
Nutcrackers
Classify the following as a lever, a pulley and an inclined plane:
Scissors
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
The idea of a simple machine originated with the Greek philosopher Archimedes.
