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प्रश्न
Which machine will you use to do the following work? Write their type.
To cut vegetables.
उत्तर
To cut vegetables, we should use a knife, which is a wedge.
संबंधित प्रश्न
Define the term ‘work input’ and ‘work output’ in relation to a machine.
What is an ideal machine?
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
Write the relation between mechanical advantage, velocity ratio and efficiency.
Give an example of the following uses of a machine:
to obtain gain in speed
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:
Nutcrackers
Which machine will you use to do the following work? Write their type.
To draw water from a well.
