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प्रश्न
Work is the application of a ....... through a distance.
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उत्तर
Force
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संबंधित प्रश्न
What is the principle of an ideal machine?
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.
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.
Mechanical advantage (M.A.), load (L) and effort (E) are related as ______.
Name a machine which is used to multiply speed ?
What is the purpose of a 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.
Name a machine which can be used to multiply force and change the direction of force applied.
