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State the S.I. unit of moment of force. - Physics

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प्रश्न

State the S.I. unit of moment of force.

एक पंक्ति में उत्तर
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उत्तर

S.I. units : N m (Newton meter)

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Force, Work, Energy and Power - Exercise 1.1 i [पृष्ठ १३]

APPEARS IN

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संबंधित प्रश्न

What is the SI unit of the moment of force?


Moment of force =...............  × distance of force from the point of turning.


A potter turns his wheel by applying a force through the stick near the rim of wheel.


What is thrust?


A spanner of length 10 cm is used to open a nut by applying a minimum force of 5.0 N. Calculate the moment of force required.


State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.


A body X of mass 5 kg is moving with velocity 20 m s-2 while another body Y of mass 20 kg is moving with velocity 5 m S-1. Compare the momentum of the two bodies.


What do you understand by the clockwise and anticlockwise moment of force? When is it taken positive?


Give two examples of a couple's actions in our daily life.


The diagram shows two forces F1 = 5 N and F2 = 3N acting at point A and B of a rod pivoted at a point O, such that OA = 2m and OB = 4m

Calculate:

  1. Moment of force F1 about O
  2. Moment of force F2 about O
  3. Total moment of the two forces about O.

Give an example for each of the following uses of a machine:

to change the point of application of force


Is moment of a force a scalar quantity?

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.


A meter scale is provided at 10 cm mark and is balanced by suspending 400 g from 0 cm mark (fig.). Calculate the mass of meter scale.


A jack screw is provided with a long arm. Explain why?


Under what condition will a set of gears produce a gain in torque.


State the units of moment of force.


What is meant by the term ‘moment of force’? If the moment of force is assigned a negative sign then will the turning tendency of the force be clockwise or anti-clockwise?


The perpendicular distance between the point of application of force and turning point is 1.75 m when a force of 80 N acts on a rigid body. Calculate the moment of force.


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.


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