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प्रश्न
A force always produces both the linear and turning motions.
पर्याय
True
False
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उत्तर
The given statement is False.
Explanation:
Turning motion depend on applied force and the perpendicular distance of force from axis o rotation, so if the distance is zero, there is no turning motion.
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संबंधित प्रश्न
In Fig. a force F is applied in a direction passing through the pivoted point O of the body. Will the body rotate? Give reason to support your answer.
State Newton's Second law of motion. Under what conditon does it take the form F = ma?
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and force for a constant mass.
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.
State two factor on which moment of force about a point depends.
The stone of hand flour grinder is provided with a handle near its rim. Give reason.
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown 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.
Write the expression for the moment of force about a given axis.
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?
