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प्रश्न
Under what condition will a set of gears produce a gain in torque.
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उत्तर
When the number of teeth in driven gear is more than the number of teeth in driving gear.
संबंधित प्रश्न
An effort is applied on the bigger wheel of a gear having 32 teeth. It is used to turn a wheel of 8 teeth. Where it is used.
Moment of force =............... × distance of force from the point of turning.
State two factors on which affect moment of force.
A potter turns his wheel by applying a force through the stick near the rim of wheel.
Classify the following amongst contact and non-contact forces.
magnetic force
Give an example of the following uses of a machine:
to change the direction of force
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.
Write the expression for the moment of force about a given axis.
Two similar vehicles are moving with the same velocity on the road, such that one of thus is loaded and the other one is empty which of the two vehicles will require larger force to stop?
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?
