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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.
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संबंधित प्रश्न
Name the factors affecting the turning effect of a body
Classify the following amongst contact and non-contact force.
force of tension in a string
State Newton's Second law of motion. Under what conditon does it take the form F = ma?
A body is acted upon by two forces of magnitude F but in opposite directions. State the effect of the force if both forces act at the same point of the body.
Calculate the resultant moment of forces about O and state its direction in fig.
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.
State two factors on which moment of the force about a point depends.
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?
Calculate the magnitude of the force of a couple, when the arm of the couple is 63 cm and the moment of the couple is 21 Nm.
