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प्रश्न
Mention the advantages of using a machine.
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उत्तर
The advantages of using a machine are:
- More work can be done in less time as well as with great accuracy
- Less effort has to be applied to accomplish the task
संबंधित प्रश्न
With reference to the terms mechanical advantage, velocity ratio and efficiency of a machine, name and define the term that will not change for the machine of a given design.
A scissor is a ______ multiplier.
Draw a diagram to show how a single pulley can be used so as to have its ideal M.A= 2.
State four ways in which machines are useful to us.
State the incorrect statement:
‘The force needed to push a load up an inclined plane is less than the force needed to lift it directly’ Give a reason.
Stat the principle of an ideal machine.
Shows a lemon crusher.
- In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E.
- Name the class of lever
Complete the following sentence :
A scissors is a ___________ multiplier.
Under what condition will a set of gears produce a gain in speed
