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प्रश्न
Work is the application of a ....... through a distance.
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उत्तर
Force
APPEARS IN
संबंधित प्रश्न
A scissor is a ______ multiplier.
Two forces each of 5N act vertically upwards and downwards respectively on the two ends of a uniform metre rule which is placed at its mid-point as shown in the diagram. Determine the magnitude of the resultant moment of these forces about the midpoint.
Name a machine to change the point of application of force ?
State the incorrect statement:
The diagram below shows a claw hammer used to remove a nail :
(i) To which class of lever does it belong ?
(ii) Give one more example of the same class of lever mentioned by you in (i) for which the mechanical advantage is greater than one.
Give an example for each of the following uses of a machine:
to obtain gain in force,
Stat the principle of an ideal machine.
Complete the following sentence :
A scissors is a ___________ multiplier.
Under what condition will a set of gears produce a gain in speed
Mention the advantages of using a machine.
