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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
An axe
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उत्तर
An axe – A wedge
संबंधित प्रश्न
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
Define the term ‘work input’ and ‘work output’ in relation to a machine.
What is the purpose of a jack in lifting a car by it?
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 .
What is an inclined plane?
Give an example of the following uses of a machine:
to obtain gain in speed
Define Mechanical advantage
Give an example where a machine is used to obtain gain in speed.
A uniform metre scale is kept in equilibrium when supported at the 60 cm mark and a mass M is suspended from the 90 cm mark as shown in the figure. State with reasons, whether the weight of the scale is greater than, less than or equal to the weight of mass M.
The idea of a simple machine originated with the Greek philosopher Archimedes.
