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प्रश्न
State one way to decrease the moment of a given force about a given axis of rotation.
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उत्तर १
Either decrease the force or decrease the perpendicular distance of force from the axis of rotation.
उत्तर २
decrease the perpendicular distance of force from axis of rotation.
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संबंधित प्रश्न
State two factors on which affect moment of force.
What do you mean by the clockwise and anti-clockwise moment of force?
Name of S.I. unit of the rate of change in momentum.
A spanner (or wrench) has a long handle. Why?
Fig. shows a uniform meter scale weighing 100 N pivoted at its centre. Two weights of 500 N and 300 N are hung from the ruler as shown in fig.
(i) Calculate total clockwise and anticlockwise moments.
(ii) Calculate difference in clockwise moment and anticlockwise moment.
(iii) Calculate the distance from O where a 100 N weight should be suspended to balance the meter scale.
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.
Write the expression for the moment of force about a given axis.
State when the moment of force is positive and when it is negative.
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?
