Advertisements
Advertisements
प्रश्न
Work is the application of a ....... through a distance.
Advertisements
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 multiply force ?
Name a machine to change the point of application of force ?
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.
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.
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
Under what condition will a set of gears produce a gain in speed
Mention the advantages of using a machine.
