मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

The hand flour grinder is provided with a handle near the rim.

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प्रश्न

The hand flour grinder is provided with a handle near the rim.

स्पष्ट करा
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उत्तर

The stone of hand flour grinder is provided with a handle near its rim (i.e., at maximum distance from centre) so that it can easily be rotated about the iron pivot at its centre by applying a small force at the handle.

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पाठ 3: Force and Pressure - Short/Long Answer Questions [पृष्ठ ५७]

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एस.एस. शोम Concise Physics [English] Class 8 ICSE
पाठ 3 Force and Pressure
Short/Long Answer Questions | Q 13.3 | पृष्ठ ५७

संबंधित प्रश्‍न

A brass ball is hanging from a stiff cotton thread. Draw a neat labeled diagram showing the forces acting on the brass ball and cotton thread


What is the SI unit of the moment of force?


The S.I. unit of force is kgf. (kilogram-force)


The diagram in the figure shows a uniform metre rule weighing 100 gf, pivoted as its centre O. two weight 150 gf and  250 gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm . Calculate

the total anticlockwise moment about o.


A wheel of diameter 3 m is shown in fig. 2 with axle at 0. A force F = 8 N is applied at Q in the direction shown in figure. Calculate the moment of force about:
(i)    centre o, and
(ii)    point p.


The diagram shows a uniform metre rule weighing 100gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm. Calculate :

the total clockwise moment about O


Two unlike forces (parallel) of 10 N and 25 N act at a distance of 12 cm. from each other. Find the point about which the body balance.


Calculate the minimum distance between point of application of force and axis of rotation of a rigid body, if a force 125 N produces a moment of force of 25.75 Nm.


Clockwise moment produced by a force about a fulcrum is considered to be ______.


The diagram shows wheel O pivoted at point A. Three equal forces F1, F2 and F3 act at point B on the wheel.

  1. Which force will produce maximum moment about A?
  2. Give a reason for your answer in (a).

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