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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A needle
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उत्तर
A needle – An inclined plane
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संबंधित प्रश्न
Answer the following.
What is a 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 .
Write the relation between mechanical advantage, velocity ratio and efficiency.
Give an example of the following use of a machine to change the point of application of the force.
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
Which machine will you use to do the following work? Write their type.
To draw water from a well.
Simple machines usually exchange a larger force to move a heavy object.
Name a machine for each of the following uses:
- to multiply the force,
- to change the point of application of force,
- to change the direction of force,
- to obtain the gain in speed.
A pair of scissors is a _____ multiplier.
