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प्रश्न
Less force is needed when applied at a farther distance from the pivoted point.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
A half metre rod is pivoted at the centre with two weights of 20gf and 12gf suspended at a perpendicular distance of 6 cm and 10 cm from the pivot respectively as shown below.
1) Which of the two forces acting on the rigid rod causes clockwise moment?
2) Is the rod in equilibrium?
3) The direction of 20 kgf force is reversed. What is the magnitude of the resultant moment of the forces on the rod?
How does the effect of force differ when it is applied on a non-rigid body?
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.
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It is easier to turn the steering wheel of a large diameter than that of a small diameter. Given reason.
A uniform metre rule of weight 10gf is pivoted at its 0 mark.
What moment of force depresses the rule?
Classify the following amongst contact and non-contact forces.
Frictional force
Classify the following amongst contact and non-contact forces.
electrostatic force
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.
Two unlike forces (parallel) of 10 N and 25 N act at a distance of 12 cm. from each other. Find the point about which the body balance.
