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प्रश्न
Give an example for each of the following uses of a machine:
to obtain gain in force,
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उत्तर
A jack is used to multiply force.
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संबंधित प्रश्न
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.
State four ways in which machines are useful to us.
Name a machine to change the point of application of force ?
Mechanical advantage (M.A.), load (L) and effort (E) are related as ______.
Name a machine which is used to multiply speed ?
Stat the principle of an ideal machine.
Complete the following sentence :
A scissors is a ___________ multiplier.
What is a machine?
Name a machine which can be used to multiply force and change the direction of force applied.
Mention the advantages of using a machine.
